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List of acronyms and initialisms

This is a list of acronyms, initialisms and pseudo-blends.

For the purposes of this list, an acronym is an abbreviation that is pronounced as a series of constituent letters; an initialism is an abbreviation whose pronunciation is wholly or partly the names of constituent letters; and a pseudo-blend is an abbreviation whose extra or omitted letters means that it cannot be considered a true acronym, initialism, or portmanteau (a word formed by combining two or more words).

(a) = acronym in the example: SARS - (a) Severe acute respiratory syndrome

(i) = initialism in the example: CD - (i) Compact disc

(p) = pseudo-blend in the example: UNIFEM - (p) United Nations Development Fund for Women

(s) = symbol (none of the above, stands for and is read as something else; for example: MHz - Megahertz)

Add new entries here

Please add your own, in a quasi-dictionary order with lowercase treated the same as uppercase and ignoring non-alphanumeric characters (hyphens and such). This means that only alphanumeric characters are significant to determine the order, and that lowercase letters occupy the same ordering position as uppercase (as a tie-breaker, lower case is listed first). For example: Algol appears before ALS. This differs from a strict ASCII ordering.

0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Non-alphabetic

0-9

2D - (i) Two-Dimensional
2.5D - (p) "Two-and-a-half-dee": two-dimensional computer graphics imitating 3D
2G - (i) Second-generation mobile (cellular, wireless) telephone system
2.5G - (p) Second-and-a-half-generation mobile telephone system
3D - (i) Three-dimensional
3G - (i) Third-generation mobile telephone system
3M - (i) Minnesota Mining and Manufacturing Company
4D - (i) Four-dimensional (usually three spatial plus one temporal dimension, sometimes 4 spatial ones)
4G - (i) Fourth-generation mobile telephone system
4GL - (i) Fourth-generation programming language
4WD - (i) Four Wheel Drive (cf. AWD)

A

A - (s) Ampere
A2ATD - (i) Anti-Armor Advanced Technology Demonstration
A4 - (i) many, including a European standard office paper size; see entry

AA

AA - (i) Achieved Availability - Alcoholics Anonymous - Assembly Area - Automobile Association - (s) Armed Forces Americas (postal symbol)
AAA - (i) Administration, Authorization, and Authentication - American Automobile Association ("Triple-A") - Anti-Aircraft Artillery
AAAV - (i) Advanced Amphibious Assault Vehicle
AAD - (i) Analogue Analogue Digital - Australian Antarctic Division
AAIS - (i) Advanced Airborne Interceptor Simulator
AAM - (i) Air-to-Air Missile
AAODL - (i) Atmospheric Aerosols and Optics Data Library
AAP - (i) Advanced Acquisition Plan - Allied Administrative Publication
AAR - (i) Association of American Railroads
AARP - (i) formerly American Association of Retired Persons, but now officially known only by the initials
AAS - (i) Advanced Automation System - American Astronomical Society; pronounced "Double-A S"
AAV - (i) Amphibious Assault Vehicle
AAWC - (i) Anti-Air Warfare Commander

AB

AB - (s) Alberta (postal symbol)
ABA - (i) American Bar Association / American Basketball Association / Australian Broadcasting Authority
ABB - (i) ASEA Brown Boveri (Swiss-Swedish multinational company)
ABBA - (a) Agneta, Benny, Björn, Anni-Frid (the Swedish pop group)
ABC - (i) Alcoholic-Beverage Commission - Alien Big Cat - Always Be Careful - American-Born Chinese - American Broadcasting Company - Anti-lock Brake Controller - Associated British Corporation - Atanasoff Berry Computer - Atlantic Baptist College - Atomic Biological Chemical (see NBC) - Australian Broadcasting Corporation
ABET - (a) Accreditation Board for Engineering and Technology
ABIN - (a) Agência Brasileira de Inteligência (Brazilian Intelligence Agency)
ABL - (i) American Basketball League
ABLE - (a) AirBorne Law Enforcement (police air support unit)
ABM - (i) Anti-Ballistic Missile - Asynchronous Balanced Mode - Automated Banking Machine
ABN - (i) Australian Business Number - a number issued by the Australian government as registration of a business (used for taxation purposes)
ABS - (i) acrylonitrile butadiene styrene - Anti-lock Braking System

AC

Ac - (s) Actinium
AC - (i) Adriamycin-Cyclophosphamide (chemotherapy) - Air Conditioning - Albert Champion - Alternating Current - Anonymous Coward - Ante Christum - (s) Antigua and Barbuda (NATO country code) - (i) Associazione Calcio (Italian, "football (soccer) club")
A/C - (i) Aircraft
ACA - (i) Airspace Co-ordination Area
ACC - (i) Air Combat Command - Atlantic Coast Conference - Automatic Climate Control
ACCAC - (a) Awdurdod Cymwysterau, Cwricwlwm ac Asesu Cymru (Qualifications, Curriculum and Assessment Authority for Wales)
ACE - (a) Air Combat Emulator (computer game) - Automatic Computing Engine
ACES - (a) Aerolineas Centrales de Colombia
ACID - (a) Atomicity, Consistency, Isolation, and Durability (in databases)
ACF - (i) American Car and Foundry, American Culinary Federation
ACK - (p) Acknowledge (telecommunications) (cf. NAK)
ACL - (i) Access Control List - Anterior Cruciate Ligament
ACLU - (i) American Civil Liberties Union
ACM - (i) many, including Association for Computing Machinery; see entry
ACN - (i) Australian Company Number - a number issued by the Australian government as registration of a company (limited liability) in Australia.
ACORN - (i) Association of Community Organizations for Reform Now
ACP - (i) Air Control Point
ACS - (i) Affiliated Computer Services (NYSE ACS) - American Cancer Society - American Chemical Society - Association of Caribbean States
ACTU - (i) Australian Council of Trade Unions
ACV - (i) Armoured Combat Vehicle

AD-AE

AD - (i) Air Defence - Latin, Anno Domini ("In the year of our Lord")
A/D - (i) Analog/Digital
ADA - (i) American Dental Association / Americans with Disabilities Act (but see also the similar, but non-acronymic, Ada as in Ada programming language)
ADatP - (p) Automated Data Processing
ADC - (i) Apple Display Connector
ADD - (i) Analogue Digital Digital - Attention-Deficit Disorder
ADP - (i) Adenosine DiPhosphate - Automated Data Processing
ADHD - (i) Attention-Deficit Hyperactivity Disorder
ADHS - (i) Attention-Deficit Hyperactivity Syndrome
ADL - (i) Anti-Defamation League
ADM - (i) Administrative - Archer Daniels Midland
ADS - (a/i) Astrophysics Data System - Attention Deficit Syndrome
ADT - (i) Atlantic Daylight Time (UTC-3 hours)
AE - (s) Armed Forces Africa/Canada/Europe/Middle East (postal symbol)
AEF - (i) American Expeditionary Force
AEW - (i) Airborne Electronic Warfare - Airborne Early Warning

AF-AG

AF - (s) Afghanistan (NATO country code) - (i) Air Force
AFAIC - (i) As Far As I'm Concerned
AFAICT - (i) As Far As I Can Tell
AFAIK - (i) As Far As I Know
AFAIR - (i) As Far As I Remember/Recall
AFC - (i) American Football Conference - Asian Football Confederation
AFJ - (i) April Fool's Joke
AFK - (i) Away From Keyboard (Internet chat abbreviation)
AFL - (i) American Federation of Labor - American Football League - Arena Football League - Australian Football League
AFV - (i) Armoured Fighting Vehicle
Ag - (s) Silver
AG - (i) Aktiengesellschaft (German for incorporated) - (s) Algeria (NATO country code)
AGA - (a/i) AB Gas-accumulator ("ah-gah", Swedish company) - Advanced Graphics Architecture
AGB - (i) Internal Nintendo initialism for Game Boy Advance.
AGC - (i) Apollo Guidance Computer - Automatic Gain Control
AGI - (i) Auxiliary Group Intelligence
AGM - (i) Annual General Meeting
AGP - (i) Accelerated Graphics Port

AI-AM

AI - (i) Amnesty International - Artificial Insemination - Artificial Intelligence
AIA - (i) Aerospace Industry Association
AIC - (i) African Independent Church
AICMFP - (i) And I Claim My Five Pounds
AIDS - (a) Acquired Immune Deficiency Syndrome
AIM - (i) many, including AOL Instant Messenger; see entry
AIPAC - (i) American Israel Public Affairs Committee
AJ - (s) Azerbaijan (NATO country code)
AK - (s) Alaska (postal symbol)
aka - (i) also known as
AKDT - (i) Alaska Standard Daylight Saving Time (UTC-8 hours)
AKST - (i) Alaska Standard Time (UTC-9 hours)
Al - (s) Aluminium
AL - (s) Alabama (postal symbol) - Albania (NATO country code) - Anno Lucis, the "Year of Light" in Masonic tradition (Most often seen on plaques bearing the founding dates of buildings, in years AD and years AL)
ALAP - (a) As Long/Late As Possible
ALGOL - (a) Algorithmic language
ALS - (i) Amyotrophic Lateral Sclerosis
Am - (s) Americium
AM - (i) many, including Amplitude Modulation and ante meridiem; see entry - (s) Armenia (NATO country code)
AMA - (i) American Medical Association
AMD - (i) Advanced Micro Devices (U.S. company)
AMP - (i) Adenosine MonoPhosphate
AMRAAM - (a) Advanced Medium-Range Air-to-Air Missile
AMS - (i) American Mathematical Society

AN-AR

AN - (s) Andorra (NATO country code)
ANA - (a) All Nippon Airways - Anti-Nuclear Anti-body
ANC - (i) African National Congress
ANGLiCo - (a) Air/Naval Gunfire Liaison Company
ANM - (i) Acoustic Noise Monitor
ANSI - (a) American National Standards Institute
ANZAC - (a) Australian and New Zealand Army Corps
AO - (s) Angola (NATO country code) - (i) Area of Operations
AOL - (i) America OnLine
AP - (i) Advanced Placement - (s) Armed Forces Pacific (postal symbol) - (i) Associated Press
APB - (i) All Points Bulletin (police jargon)
APC - (i) Armoured Personnel Carrier
APM - (i) Advanced Power Management
APOD - (i) Airport of Debarkation
APOE - (i) Airport of Embarkation
APP - (i) Allied Procedural Publication
Ar - (s) Argon
AR - (s) Argentina (NATO country code) - Arkansas (postal symbol)
ARSC - (i) Artic Region Supercomputing Center

AS

As - (s) Arsenic
AS - (s) American Samoa (postal symbol) - Australia (NATO country code)
ASA - (i) AceteSalicylic Acid - American Standards Association - Army Security Agency - Atlantic Southeast Airlines
ASAP - (a) As Soon As Possible
ASCAP - (a) American Society of Composers, Authors, and Publishers
ASCC - (i) Automatic Sequence Controlled Calculator
ASCII - (a) American Standard Code for Information Interchange
ASDF - (i) Attack, Sustain, Decay, Release (sound envelope specification)
ASEAN - (i) Association of SouthEast Asian Nations
ASFAR - (a) Americans for a Society Free of Age Restrictions
ASIC - (a) Application-Specific Integrated Circuit
ASICS - (a) Latin, Anima Sana In Corpore Sano ("A Sound Mind in a Sound Body") (athletic shoe manufacturer)
ASIO - (i) Australian Security Intelligence Office
ASL - (i) American Sign Language
ASM - (i) Air To Surface Missile
ASP - (i) Active Server Pages - Ammunition Supply Point - Application Service Provider (cf ISP)
ASQ - (a) American Society for Quality
ASR - (i) Alternate Supply Route
ASRAAM - (a) Advanced Short-Range Air-to-Air Missile
AST - (i) Atlantic Standard Time (UTC-4 hours)
ASTREA - (a) Aerial Support To Regional Enforcement Agencies (sheriff's air support unit)
ASUW - (i) Antisurface Warfare
ASW - (i) Antisubmarine Warfare

AT-AZ

At - (s) Astatine
AT - (i) Anti-Tank
ATAC - (a) Air Transportable Acoustic Communications
ATAS - (a) Air-To-Air Stinger (missile)
ATB - (i) Active Time Battle.
ATC - (i) Air Traffic Control
ATM - (i) Automated Teller Machine - Asynchronous Transfer Mode - At The Moment
ATP - (i) Adenosine TriPhosphate - Allied Tactical Publication - Ammunition Transfer Point
AT&T - (i) American Telephone and Telegraph (U.S. company, aka "Ma Bell")
ATI - (i) Allied Telesyn International, Inc.
ATV - (i) All-Terrain Vehicle
Au - (s) Gold
AU - (s) Austria (NATO country code)
AUC - (i) Latin, Ab Urbe Condita ("from the founding of the city") / Anno Urbis Conditae ("in the year since the founding of the city") (of Rome) - Area Under the Curve (concentration time curve; medicine)
AVI - (i) Audio Video Interleave
AVO - (i) Apprehended Violence Order
AWACS - (a) Airborne Warning And Control System
AWD - (i) many, including All Wheel Drive; see entry
AWOL - (a) Absent Without Official Leave - Absent Without Leave (military jargon)
AXP - (i) Ambulance Exchange Point
AYU - (i) As Yet Unknown
AZ - (s) Arizona (postal symbol)

B

B - (s) Bel - Boron
B2B - (i) Business-to-business electronic commerce
B2C - (i) Business-to-consumer electronic commerce
B2E - (i) Business-to-employee electronic commerce
B&W - (i) Babcock & Wilcox - Black and White - Bowers & Wilkins

BA-BC

Ba - (s) Barium
BA - (i) Bachelor of Arts
BAA - (i) British Airport Authority
BALCO - (a) Bay Area Laboratory Co-operative
BAR - (a) British American Racing - Browning Automatic Rifle - Buy-American restrictions
BART - (a) Bay Area Rapid Transit
BASE - (a) as in BASE jumping - Building, Antenna, Span, Earth (form)
BASF - (i) Badische Anilin und Soda Fabrik (German chemicals company)
BASIC - (a) Beginner's All-purpose Symbolic Instruction Code (acronym was added later, originally it was simply Basic)
BATF - (i) U.S. Bureau of Alcohol, Tobacco, and Firearms
BB - (i) Boys' Brigade (Christian youth organisation) - Brigitte Bardot (actress)
BBB - (i) Better Business Bureau - Blood-Brain Barrier
BBC - (i) British Broadcasting Corporation
BBQ - (i) Barbeque
BC - (i) Before Christ - Blind Copy (in emailers) - Boston College - (s) British Columbia (postal symbol)
BCC - (i) Blind Carbon Copy
BCCI - (i) Board of Control for Cricket in India
BCD - (i) Binary-Coded Decimal
BCE - (i) Banque centrale européenne - Before Common Era - British Columbia Electric
BCER - (i) British Columbia Electric Railway
BCFG - (i) Patchy Fog (METAR Code)
BCPL - (i) BCPL programming language (progenitor of C)
BCS - (i) Bowl Championship Series (US college football)
BCT - (i) Brigade Combat Team

BD-BN

BDA - (i) British Dental Association
BDFL - (i) Benevolent Dictator For Life
BDNF - (i) Brain-Derived Neurotrophic Factor
BDOS - (a) Basic Disk Operating System; part of CP/M
BDU - (i) Battle-Dress Uniform
Be - (s) Beryllium
BEA - British European Airways (ancestor of British Airways)
BFE - (i) Beyond/Butt/Bum F*****' Egypt (colloquial for "quite far away")
Bh - (s) Bohrium
Bi - (s) Bismuth
BIAP - (a) Baghdad International Airport
BIOS - (a) Basic Input/Output System
BIST - (a) Built-In Self-Test
BIT - (i) Bilateral Investment Treaty - Built-In Test
BJT - (i) Bipolar Junction Transistor
Bk - (s) Berkelium
BKN - (i) Broken Sky (METAR Code)
BLDU - (i) Blowing Dust (METAR Code)
BLSA - (i) Blowing Sand (METAR Code)
BLSN - (i) Blowing Snow (METAR Code)
BLUI - (a/i) Body Language User Interface
BMCC - (i) Borough of Manhattan Community College
BME - (i) Biomedical Engineering
BMI - (i) Broadcast Music Incorporated - Body Mass Index
BMW - (i) Bayerische Motoren Werke / Bavarian Motor Works
BMX - (i) Bicycle/Bike Moto(r) Cross
Bn - (s) Battalion
BNF - (i) Backus-Naur Form (computing)
BNS - (i) Bank of Nova Scotia
BNSF - (i) Burlington Northern Santa Fe

BO-BR

BO2K - (i) Back Orifice 2000
BOAC - (i) British Overseas Airways Corporation (predecessor of British Airways)
BOAT - (a) Byway Open to All Traffic (pronounced as 2 syllables, "Bo-At")
BODMAS - (a) Brackets, Of, Division, Multiplication, Addition, Subtraction
BOFH - (i) Bastard Operator From Hell
BOGOF - (a) Buy One, Get One Free
BOHICA - (a) Bend Over Here It Comes Again
BOP - (i) Balance of Payments
BOS - (i) Battlefield Operating System
BOT - (i) Balance of Trade
BP - (i) British Petroleum (today, BP doesn't officially stand for everything)
BPM - (i) Beats Per Minute
Br - (s) Bromine
BRB - (i) "Be Right Back" (Internet chat abbreviation)
BRFSS - (a) Behavioral Risk Factor Surveillance System (a CDC health survey covering the US and US territories; pronounced "BURF us")

BS-BY

BS - (i) Bull Shit
BSA - (i) Birmingham Small Arms (motorcycles company) - Boy Scouts of America - Brigade Support Area
BSD - (i) Berkeley Software Distribution (distinct from BSoD)
BSE - (i) Bovine Spongiform Encephalopathy, better known as Mad Cow disease
BSL - (i) British Sign Language
BSoD - (i) Blue Screen of Death (distinct from BSD)
BSP - (i) Between-Show Promotion - Binary Space Partitioning - Board Support Packages - (p) Business Sponsored
BST - (i) Binary search tree - Blended Sales Tax - Bovine somatotropin - British Summer Time
BT - (i) Bathythermograph - British Telecommunications plc - BitTorrent
BTO - (i) Built To Order
BTU - (i) British Thermal Unit
BTW - (i) By The Way
BWARS - (a) Bees, Wasps & Ants Recording Society
BWR - (i) Boiling-Water Reactor
BYOB - (i) Bring Your Own Beverages/Bottle
BYOC - (i) Bring Your Own Computer. Play on BYOB.
BYU - (i) Brigham Young University

C

C - (s) Carbon - Coulomb
C2 or C² - (i) Command and Control
C2V or C²V - (i) Command and Control Vehicle
C3I or C³I - (i) Command, Control, Communications, and Intelligence
C4I or C⁴I - (i) Command, Control, Communications, Computers, and Intelligence

CA-CD

Ca - (s) Calcium
CA - (s) California (postal symbol) - Canada - Catalonia
CA - (i) Civil Affairs
CAC - (i) California Association of Criminalists
CAD - (a) Computer Aided Design - Computer Aided Dispatch
CAIR - (i) Council on American-Islamic Relations
CALABARZON - (p) a region in the Philippines: Cavite, Laguna, Batangas, Rizal, Quezon (not an acronym in the strictest sense)
CAMRA - (a) CAMpaign for Real Ale
CANDU - (p) CANada Deuterium Uranium, a nuclear reactor design
CAP - (i) Combat Air Patrol
CARE - (a) Cooperative for Aid and Relief Everywhere (originally C.A.R.E. - Cooperative for American Remittances to Europe)
CARP - (i) Computed Air Release Point
CAS - (i) Close Air Support
CASS - (i) Command Activated Sonobuoy System
CATK - (i) Counterattack
CAV - (i) Cavalry
CAW - Canadian Auto Workers trade union
CB - (i) citizens' band radio
CBC - (i) Canadian Broadcasting Corporation - Cipher Block Chaining
CBE - (i) Commander of the Order of the British Empire
CBM - (i) many, including Canadian Baptist Ministries and Commodore Business Machines; see entry
CBT - (i) Cognitive Behaviour Therapy - Combat
CC - (i) many, including carbon copy; see entry
CCCP - (i) Cyrillic for SSSR (Union of Soviet Socialist Republics) - Central Committee of the Communist Party
CCD - (i) charge-coupled device
CCP - (i) Casualty Collection Point - Communications Checkpoint - Contingency Communications Package
CCRAp - (a) Canadian Conservative Reform Alliance party
cd - (s) Candela
Cd - (s) Cadmium
CD - (i) many, including Compact disc; see entry
CDC - (i) Centers for Disease Control and Prevention - Control Data Corporation
CDF - (i) California Department of Forestry [and Fire Protection]

CE-CH

Ce - (s) Cerium
CE - (i) [many meanings, including Christian/Common Era (cf. AD); see entry]
CENTO - (a) Central Treaty Organization (Baghdad Pact)
CEO - (i) Chief Executive Officer
CEPT - (a/i) Conference européenne des administrations des postes et des télécommunications (European Conference of Postal and Telecommunications Administrations)
CERN - (a) Centre européen pour la recherche nucléaire
CERT - (a) Computer Emergency Response Team
cf. - (i) Latin, confer ("compare", or "see also")
Cf - (s) Californium
CF - Canadian Forces
CFA - (i) Cat Fanciers' Association - Chartered Financial Analyst - Colour Filtering Array - County Fire Authority - Covering Force Area
CFG - (i) Context-Free Grammar - Control Flow Graph
CFL - (i) Canadian Football League - Co-ordinated Fire Line
CFLCC - (i) Coalition Forces Land Component Command
CFO - (i) Chief Financial Officer
CFS - (i) Chronic Fatigue Syndrome
CFSP - (i) Common Foreign and Security Policy
CGM - (i) Computer Graphics Metafile
CGT - (i) Capital Gains Tax
CHI - Computer-Human Interaction
CHiP - (a) California Highway Patrol
CHP - (i) California Highway Patrol

CI-CM

Ci - (s) Curie
CI - (i) Counter-Intelligence
CIA - (i) Central Intelligence Agency - Culinary Institute of America
CIB - (i) Complete in box (of items on Internet auction/trading listings)
CIBC - (i) once the Canadian Imperial Bank of Commerce
CICS - (a) Customer Information Control System (IBM mainframe software)
CID - (i) Criminal Investigation Division - Criminal Investigations Department
CIÉ - (i) Commission internationale de l'éclairage
CINC - (i) Commander in Chief
CIO - (i) Chief information officer - Congress of Industrial Organizations
CIS - (i) Commonwealth of Independent States - Canadian Interuniversity Sport
CISB - (i) Complete in sealed box (of items on Internet auction/trading listings)
CIWS - Close-in weapon system
CJ - (i) Criminal Justice
CJC - (i) Canadian Jewish Congress
Cl - (s) Chlorine
CL - (i) Co-ordination Line
CLEC - (i) Competitive Local Exchange Carrier
CLEMARS - (a) California Law Enforcement Mutual Aid Radio System
CLI - (i) Command Line Interface/Interpreter
Cm - (s) Curium
CMHC - (i) Canada Mortgage and Housing Corporation
CML - (i) Chemical
CMM - (i) Capability Maturity Model
CMOS - (i) complementary metal-oxide-semiconductor - Canadian Meteorological and Oceanographic Society
CMR - (i) Coaxial Main Rotors (helicopter type)
CMYK - (i) cyan magenta yellow key (colour model)

CN-CQ

CN - (i) Canadian National
CND - (i) Campaign for Nuclear Disarmament
CNN - (i) Cable News Network - Cellular nonlinear network
CNR - (i) Canadian National Railway
c/o - (i) care of (postal code indicating temporary address change)
Co - (s) Cobalt
CO - (i) many, including Central Office (phone company) - see entry - (s) Colorado (postal symbol) - (i) Commanding Officer
COA - (i) Course Of Action
COBOL (a) - Common Business-Oriented Language
COD - (i) Cash On Delivery
COLA - (a) cost of living adjustment - comp.os.linux.announce
COLT - (a) Combat Observation and Lasing Team
COMMZ - (p) Communications Zone
CONCACAF - (a) Confederation of North, Central American and Caribbean Association Football
CONMEBOL - (p) Confederación Sudamericana de Fútbol (South American Football Confederation)
COO - (i) Chief Operating Officer
COSCOM - (a) Corps Support Command
COSER - (i) COoperative SERvice
COTS - (a) Commercial Off The Shelf
CP - (i) Canadian Pacific - Check Point
CPA - (i) Certified Public Accountant
CPAC - (i) Conservative Political Action Conference - Canadian Parliamentary Affairs Channel
CPPCC - (i) Chinese People's Political Consultative Conference
CPR - (i) Canadian Pacific Railway - CardioPulmonary Resuscitation
CPSU - (i) Communist Party of the Soviet Union
CPU - (i) Central Processing Unit
CQD - (i) come quick, distress (?)

CR-CW

Cr - (s) Chrome
CRC - (i) Christian Reformed Church - Cyclic Redundancy Check - Chemical Rubber Company
CREB - (a) Cyclic AMP-response Element Binding (protein)
CREEP - (a) Committee to Re-Elect the President
CRM - (i) Customer Relationship Management - Cardiac Rhythm Management
CRT - (i) cathode ray tube - Chinese remainder theorem - Cardiac Resynchronization Therapy
CRTC - (i) Canadian Radio-television and Telecommunications Commission
Cs - (s) Cesium
CS - (i) Combat Support
CSA - (i) Confederate States of America - Canadian Standards Association - Canadian Space Agency - Child Support Agency - Czech Airlines - Community-supported agriculture
C/S/A - (i) CINC, Service, and Agency
CSAR - (p) Combat Search and Rescue ("seessar")
CSI - (i) see entry
CSICOP - (i) Committee for the Scientific Investigation of Claims of the Paranormal
CSIS - (p) Canadian Security Intelligence Service ("seesiss") - (i) Center for Strategic & International Studies
CSRF - (i) Cross-site request forgery
CSS - (i) Cascading Style Sheets - Combat Service Support - Confederate States Ship - Content-Scrambling System - Cross Site Scripting
CT - (s) Connecticut (postal symbol)
CTO - (i) Chief technical officer
CTSS - (i) Compatible Time-Sharing System
Cu - (s) Copper
CUNY - (a) City University of New York (usually pronounced "CUE-knee")
CUPE - (i) Canadian Union of Public Employees
CUPW - (i) Canadian Union of Postal Workers
CV - (i) many, including curriculum vitae (resumé); see entry
CVR - (i) Cockpit voice recorder
CVS - (i) Concurrent Versions System
CWC - (i) Chemical Weapons Convention

D

D - (s) Deuterium

DA-DE

DAQ - (p) Data acquisition
DART - (a) Dublin Area Rapid Transit
DASL - (i) Datapoint's Advanced Systems Language
Db - (s) Dubnium
d/b/a - (i) doing business as
DBE - (i) Dame Commander of the Order of the British Empire
DC - (i) da capo - Italian Democrazia Cristiana - direct current - (s) District of Columbia (postal symbol) - (i) Douglas Aircraft Company - Dublin Core - duty cycle
DCA - (i) Defensive Counter Air
DD - (i) many, including dear daughter (increasingly prevalent on social mailing lists, blogs, and bulletin boards); see entry
D&D - (i) Dungeons and Dragons
DDA - (i) digital differential analyzer
DDD - (i) Data Display Debugger - Digital Digital Digital (CD mastering)
DDoS - (i) Distributed Denial of Service
DDR - (i) Dance Dance Revolution - Deutsche Demokratische Republik (East Germany, English abbr.: GDR, qv.) - Double Data Rate
DDS - (i) Doctor of Dental Surgery
DDT - (i) Dichloro-Diphenyl-Trichloroethane (insecticide) - Dynamic Debugging Tool (computing)
DE - (s) Delaware (postal symbol)
DEA - (i) Drug Enforcement Agency
DEC - (a/i) Department of Environmental Conservation - Digital Equipment Corporation - Disasters Emergency Committee
DECT - (a) Digital European Cordless Telephone
DFSP - (i) Dermatofibrosarcoma protuberans

DG-DL

DGZ - (i) Desired Ground Zero
DH - (i) dear husband (increasingly prevalent on social mailing lists, blogs, and bulletin boards) - Designated hitter
DHS - (i) Department of Homeland Security
DHSS - (i) Department of Health and Social Security
DIA - (i) Defense Intelligence Agency
DICASS - (a) DIrectional Command Activated Sonobuoy System
DIFAR - (a) DIrectional Frequency Analysis and Recording
DIMM - (a) Dual In-line Memory Module (computing)
DINK - (a) Double Income, No Kids
DIP - (a) Dual In-line Package (electronics)
DISA - (a) Defense Information Systems Agency
DISCOM - (a) Division Support Command
DIY - (i) Do It Yourself
DLIC - (i) Detachment Left-in-Contact
DLRP - (i) Data Link Reference Point

DM-DQ

DMA - (i) Defense Mapping Agency - Direct Memory Access (computing)
DMD - (i) Digital Micromirror Device - Digital Multilayer Disk - Doctor of Dental Medicine
DMSO - (p) Defense Modeling & Simulation Office (US) ("dimso")
DMT - (i) Dimethyltryptamine
DMV - (i) Department of Motor Vehicles
DMZ - (i) DeMilitarized Zone
DNA - (i) DeoxyriboNucleic Acid - Douglas Adams
DND - (i) Department of National Defence (Canada) - Do Not Disturb
DOA - (i) Dead On Arrival - Dead or Alive
DOD - (i) Department of Defense (US)
DOE - (i) Department of Energy (US)
DOI - (a) Digital Object Identifier
DOM - (i) Document Object Model
DOS - (a) Denial of Service (DoS, cf. DDoS) - Density of State - Disk Operating System
DPCO - (i) Double-Pole Change Over
DPDT - (i) Double-Pole Double-Throw
DPRK - (i) Democratic People's Republic of Korea
DPST - (i) Double-Pole Single-Throw
DQ - (i) Dairy Queen

DR-DS

DR - (i) Dead Reckoning
DRA - (i) Democratic Republic of America
DRAM - (p) Dynamic Random Access Memory ("dee-ram") (computing)
DRC - (i) Democratic Republic of the Congo
DRDC - (i) Defence Research & Development Canada
DREA - (i) Defence Research Establishment Atlantic (obsolete)
DRES - (i) Defence Research Establishment Suffield (obsolete)
DRET - (i) Defence Research Establishment Toronto (obsolete)
DREV - (i) Defence Research Establishment Valcartier (obsolete)
DRL - (i) Daytime Running Lights - Dorman Roberts Ltd.
DRPR - (i) Drawing Practices
Ds - (s) Darmstadtium
DS - (i) Dear son (increasingly prevalent on social mailing lists, blogs, and bulletin boards) - Defence Scientist - Dust Storm (METAR Code)
DSA - (i) Division Support Area
DSRV - (i) Deaf Sports Recreation Victoria - Deep Submergence Rescue Vehicle

DT-DZ

DTE - (i) Data Terminal Equipment - Down To Earth
DTG - (i) Date-Time Group
DTL - (i) diode-transistor logic (electronics)
DTRA - (i) Defence Threat Reduction Agency
DU - (i) Depleted Uranium - Dust (METAR Code)
DUI - (i) Data Use Identifier - Data Use Institute - Davis Unified Ignition - Diving Unlimited International - Documento Único de Identidad - Documento Unico de Importación - Driving Under the Influence - Duke University Improv
DVD - (i) Digital Versatile Disk (was Digital Video Disk)
DVM - (i) Doctor of Veterinary Medicine
DWI - (i) Dance With Intensity - Danish West Indies - Diffusion-weighted imaging - Direct water injection - Disaster Welfare Inquiry - Drinking Water Inspectorate - Driving While Intoxicated/Impaired
Dy - (s) Dysprosium
DZ - (i) Drizzle (METAR Code) - Drop Zone

E

E - (s) East
E³ - (i) Electronic Entertainment Expo and other meanings, see entry

EA-EJ

EA - (i) Electronic Attack - Engagement Area
EAFUS - (i) "Everything" Added to Food in the United States (FDA list)
EBCDIC - (a/i) Extended Binary Coded Decimal Interchange Code (pronounced "eb-see-dik") (cf. BCD)
EBE - (i) Extraterrestrial Biological Entity
EBW - (i) Exploding BridgeWire
EC - (i) Electronic Combat - European Community (see EEC)
ECL - (i) Emitter Coupled Logic (electronics)
ECS - (i) Extended Chip Set (computing)
ECT - (i) ElectroConvulsive Therapy
EDS - (i) Electronic Data Systems
EEC - (i) European Economic Community (predecessor of the EU, qv.)
eID - electronic ID
EEG - (i) Electroencephalogram
EFF - (i) Electronic Frontier Foundation
e.g. - (i) example gratis (Latin, roughly "for example", "for instance")

EK-EM

EKG - (i) Electrocardiogram (from German, Elektrokardiogramm)
ELF (sometimes pronounced "elf") - (i) Earth Liberation Front - Endangered Language Fund - Eritrean Liberation Front - Executable and Linkable Format - Extremely Low Frequencies
EM - (i) Electromagnetism/Electromagnetic
EMF - (i) electromotive force
EMO - (i) Emergency-Measures Organisation
EMP - (i) ElectroMagnetic Pulse
EMT - (i) emergency medical technician

EN-ER

ENE - (i) East North-East
EO - (i) Electro-Optics
EOD - (i) Explosive Ordnance Disposal
ENY - (s) Enemy
EP - (i) Electronic Protection
EPCOT - (a) Experimental Prototype Community of Tomorrow
EPL - (i) English Premier League
EPW - (i) Enemy Prisoner of War - Earth Penetrator Weapon/Warhead
Er - (s) Erbium
ERA - (i) Earned Run Average - Engineering Research Associates - Equal Rights Amendment
ERCIM - (i) European Research Consortium for Informatics and Mathematics
ERP - (i) Engineer Regulating Point

ES-EZ

Es - (s) Einsteinium
ESA - (i) European Space Agency
ESE - (i) East South-East
ESM - (i) Electronic Warfare Support Measures
ESP - (i) Extra-Sensory Perception
ESU - (i) Emergency Services Unit
ETA - (i) Estimated Time Of Arrival - Euzkadi Ta Azkatasuna
etc - (i) latin "et cetera" (and remaining)
ETLA - (i) Extended TLA
Eu - (s) Europium
EU - (i) European Union
EULA - (i) End-User License Agreement
EVA - (i) Extra-Vehicular Activity
EW - (i) Electronic Warfare
EZ - (i) Extraction Zone

F

F - (s) Farad - Fluorine

FA-FD

FAADEZ - (a) Forward Area Air Defence Zone
FAAQ - (a/i) Frequently Asked and Anticipated Questions (cf. FAQ)
FAD - (i) Flavin adenine dinucleotide
FAO - (i) Food and Agriculture Organization
FAQ - (a/i) Frequently Asked Questions (sometimes pronounced "fak")
FARC - (a) Fuerzas Armadas Revolucionarias de Colombia (Revolutionary Armed Forces of Colombia)
FARP - (a) Forward Arming and Refuelling Area
FASEB - (a/i) Federation of American Societies for Experimental Biology
FBI - (i) Federal Bureau of Investigation
FC - (i) Fire Control - Funnel Cloud (METAR Code)
FCC - (i) Federal Communications Commission
FCM - (i) Fogarty's Cove Music - Federation of Canadian Municipalities
FCZ - (i) Forward Combat Zone
FDA - (i) Food and Drug Administration (US)
FDR - (i) Flight Data Recorder - Franklin Delano Roosevelt

FE-FI

Fe - (s) Iron
FEBA - (a) Forward Edge of the Battle Area
FEMA - (a/i) Federal Emergency Management Agency
FF - (i) Final Fantasy
FFA - (i) Free Fire Area
FFT (i) Fast Fourier Transform - Final Fantasy Tactics
FG - (i) Fog (METAR Code)
FIDÉ - (a) Fédération internationale des échecs (World Chess Federation)
FIFA - (a) Fédération internationale de football association (International Association Football Federation)
FIFO - (a) First In First Out
FIPS - (a) Federal Information Processing Standard
FIS - (a/i) Fédération internationale de ski (International Ski Federation)
FiST - (a) Fire Support Team
FIU - (i) Florida International University

FL-FR

FL - (s) Florida (postal symbol)
FLAC - (a/i) Free Lossless Audio Codec.
FLAK - (i) Fliegen Abwehr Kannonen (German for anti aicraft guns)
FLB - (i) Forward Logistics Base
FLET - (a/i) Forward Line of Enemy Troops
FLIR - (i) Forward Looking InfraRed (sensor)
FLK - (i) Funny-Looking Kid (medical diagnosis in-joke)
FLOT - (a/i) Forward Line of Own Troops
Fm - (s) Fermium
FM - (s) Federated States of Micronesia (postal symbol) - (i) Field Manual - Frequency Modulation (electronics)
FMSF - (i) False Memory Syndrome Foundation
FO - (i) Forward Observer - Frame Optional (military symbology)
Fortran - (p) Formula Translator (programming language)
FPF - (i) Final Protective Fire
fps - (s) frames per second (motion pictures, television, computer graphics)
FPS - (i) First person shooter (computer/video games)
FQDN - Fully Qualified Domain Name
Fr - (s) Francium

FS-FZ

FSA - (i) Fire Support Area
FSB - (i) Forward Support Battalion
FSC - (a) Forest Stewardship Council (an ecological pressure group)
FSCL - (i) Fire Support Co-ordination Line
FSF - (i) Free Software Foundation
FSS - (i) Fire Support Station
FST - (i) Finlands Svenska Television (Finland's Swedish-language television)
FTC - (i) Federal Trade Commission
FTL - (i) Faster Than Light
FTP - (i) File Transfer Protocol
FTSE - (a/i) Financial Times Stock Exchange (pronounced "footsie")
FU - (i) Smoke (METAR Code)
FUBAR - (a) Fucked (or Fouled) Up Beyond All Recognition
FUD - (a) Fear, Uncertainty & Doubt (marketing strategy)
F/W - (i) Fixed Wing
FWI - (i) French West Indies
FWIW - (i) For What It's Worth
FYI - (i) For Your Information
FYROM - (a) Former Yugoslav Republic of Macedonia
FZDZ - (i) Freezing Drizzle (METAR Code)
FZFG - (i) Freezing Fog (METAR Code)
FZRA - (i) Freezing Rain (METAR Code)

G

G3 - (i) many, including Heckler und Koch G3; see entry
G4 - (i) Generation Four PowerPC microprocessor
G5 - (i) Generation Five PowerPC microprocessor

GA-GI

Ga - (s) Gallium
GA - (s) Georgia (postal symbol)
GAAR - (a) General Anti-Avoidance Rule (Tax evasion)
GABA - (i) Gamma-AminoButyric Acid
GAD - (a) Generalized Anxiety Disorder
GBE - (i) Knight/Dame Grand Cross of the Order of the British Empire
GCD - (i) see entry
GCF - (i) Greatest Common Factor
Gd - (s) Gadolinium
GDP - (i) Gross Domestic Product
GDR - (i) German Democratic Republic (cf. DDR)
Ge - (s) Germanium
GE - (i) General Electric - Genetic Engineering (cf. GM)
GEOS - (i) Graphical Environment Operating System
Gestapo - (p) GEheime STAatsPOlizei ("secret state police")
GeV - (s) Gigaelectron-volt
GEV - (i) Ground Effect Vehicle
GFE - (i) Good Faith Estimate
GFCI - (i) Ground Fault Circuit Interrupter (aka GFI)
GFDL - (i) GNU Free Documentation License
GFI - (i) Ground Fault Interruptor (aka GFCI)
GFY - (i) "good for you" or "go fuck yourself", depending on the context (Internet chat)
GHB - (i) Gamma-HydroxyButyrate
GI - (i) Galvanised Iron - Gastro-Intestinal - General Issue - Government Issue
GIF - (a) Graphics Interchange Format
GIGO - (a) Garbage In Garbage Out (computing)
GIMP - (a) GNU Image Manipulation Program

GL-GU

GL - (i) Graphics Language - Grenade Launcher
GLAAD - (a) Gay and Lesbian Alliance Against Defamation
GLUT - (a/i) OpenGL Utility Toolkit.
GM - (i) GameMaster (role-playing) - General Motors - Genetically Modified - Guru Meditation (computing)
GmbH - (i) Gesellschaft mit beschränkter Haftung (German, roughy "Inc" or "Ltd")
GMO - (i) Genetically Modified Organism
GMT - (i) Greenwich Mean Time
GNOME - (a) GNU Network Object Model Environment
GNU - (a) GNU's Not Unix
GOMER - (a) Get Out of My Emergency Room (derogatory reference to hypochondriac patients)
GOP - (i) Grand Old Party
GOSP - (a) Gas/Oil Separation Plant
GPG - (i) GNU Privacy Guard
GPIB - (i) General-Purpose Instrumentation/Interface Bus
GPL - (i) General Public License
GPS - (i) Global Positioning System
GR - (i) Hail (METAR Code)
GRAS - (i) Generally Regarded As Safe (FDA list)
grep - (a) [search] Globally for Regular Expression, Print [lines]
GSD - (i) Graphical Situation Display
GSM - (i) Ground Station Module
GSOH - (i) Good Sense Of Humour
GST - (i) Goods and Services Tax (Australia, Canada and other countries)
GT - (i) Gran Turismo - Grand Touring
GU - (s) Guam (postal symbol)
GUI - (a) Graphical User Interface (pronounced goo-ey)
Gulag - (p) Glavnoe Upravlenie ispravitel'no-trudovykh LAGerei
GUT - (i) Grand Unification Theory
GZ - (i) Ground Zero

H

H - (s) Henry - Hydrogen

HA-HG

HAI - (a) Human Awareness Institute
HALO - (a) High Altitude Low Opening (type of parachute jump)
HAWK - (a) Homing All the Way Killer
HazMat - (a) Hazardous Materials
HCF - (i) Highest Common Factor
HCI - (i) Human-Computer Interaction/Interface
HDD - (i) hard disk drive - High-Density Disk
He - (s) Helium
HEPA - (a/i) High-Efficiency Particulate Air (filter)
HETT - (a) Heavy Equipment Transporting Truck / Heavy Equipment Truck Tractor
Hf - (s) Hafnium
HF - (i) High Frequency
HFAC - (p) Human Factors ("aytchfak")
Hg - (i) Mercury (element)
HGF - (i) Human Growth Factor

HI-HO

HI - (s) Hawaii (postal symbol)
HIDACZ - (p) High-Density Airspace Control Zone ("high dak zed")
HIMEZ - (a) High Altitude Missile Engagement Zone
Hird - (a) Hurd of interfaces representing depth (cf. HURD)
HIV - (i) Human Immunodeficiency Virus
HKS - (i) HyperKinetic Syndrome
HL - (i) Holding Line
HLA - (i) Human Leukocyte Antigen - High Level Architecture
HLL - (i) High-Level Language
H/MAD - (p) High/Medium Altitude Air Defence ("aytchmad")
HMCE - (i) Her Majesty's Customs and Excise
HMCS - (i) Her Majesty's Canadian Ship
HMO - (i) Health Management Organization
HMP - (i) Her Majesty's Prison
HMS - (i) Her Majesty's Ship (see Royal Navy)
HMSO - (i) Her Majesty's Stationery Office
HMV - (i) His Master's Voice
Ho - (s) Holmium
HOPI - (a) Hybrid Optical and Packet Infrastructure (see Internet2, Abilene Network)

HP-HZ

HP - (i) Hewlett-Packard - horse power
HPGL or HP-GL - (i) Hewlett-Packard Graphics Language
HP-IB - (i) Hewlett-Packard Instrument/Interface Bus (first implementation of GP-IB, later standardised and now known as IEEE-488)
HP-IL - (i) Hewlett-Packard Interface Loop (serial bus used with some HP calculators and computers, notably the HP-41 and HP-71 series)
HPT - (i) Higher Payoff Target
HPV - (i) Human papilloma virus
HQ - (i) Headquarters
HRH - (i) Her Royal Highness
Hs - (s) Hassium
HSS - (i) High-Speed Steel
HST - (i) see entry
HSV - (i) herpes simplex virus - hue saturation value (colour model)
HTML - (i) Hypertext Markup Language
HUMINT - (p) Human Intelligence (military parlance)
HURD - (a) Hird of Unix-Replacing Daemons (cf. Hird)
HVP - (i) hydrolized vegetable protein - HarborView Properties - High Vacuum Process
HW - (i) hardware
Hz - (s) Hertz
HZ - (i) Haze (METAR Code)

I

I - (s) Iodine

IA-IC

IA - (s) Iowa (postal symbol)
IAAF - (i) International Association of Athletics Federations
IAAL - (i) I Am A Lawyer
IACREOT - International Association of Clerks, Recorders, Election Officials, and Treasurers
IAEA - (i) International Atomic Energy Agency
IAF - {i} Industrial Areas Foundation
IAI - (i) International African Institute - Israel Aircraft Industries
IANA - (i) Internet Assigned Numbers Authority
IANAL - (i) I Am Not A Lawyer
IATA - (a/i) International Air Transport Association
IC - (i) Ice Crystals (METAR Code) - Integrated Circuit
ICAO - (i) International Civil Aviation Organization
ICBM - (i) Intercontinental Ballistic Missile
ICBN - (i) International Code of Botanical Nomenclature
ICC - (i) International Criminal Court
ICD - (i) Implantable Cardioverter-Defibrillator - International Classification of Diseases
ICHTHYS - (a) Iesous Christos, Theou Yios, Soter (Greek for "Jesus Christ, Son of God, Savior")
ICP - (i) Insane Clown Posse - Inductively Coupled Plasma
ICZN - (i) International Code of Zoological Nomenclature

ID-IL

ID - (s) Idaho (postal symbol) - (i) Identity - (s) Indonesia - (i) Infantry Division
IDF - (i) Israel Defence Forces
i.e. - (i) id est (Latin, roughly "that is")
IE - Internet Explorer - Indo-European
IEC - (i) International Electrotechnical Commission
IED - (i) Improvised Explosive Device
IEEE - (i) Institute of Electrical and Electronics Engineers (pronounced "I triple-E")
IETF - (i) Internet Engineering Task Force
IFF - (i) Identification, Friend or Foe
IFO - (i) Identified flying object
IFV - (i) Infantry Fighting Vehicle
IHR - (i) Institute for Historical Review
IIRC - (i) If I Recall/Remember Correctly
IIT - (i) Illinois Institute of Technology - Indian Institutes of Technology - Indiana Institute of Technology
IL - (s) Illinois (postal symbol)
ILC - (i) International Law Commission
ILO - (i) International Labour Organisation

IM-IQ

IMF - (i) International Monetary Fund
IMHO - (i) In My Humble Opinion
IMO - (i) International Maritime Organization - In My Opinion
IMRI - (i) Industrial Membrane Research Institute - Information Management Research Institute - Institut pour le management de la recherche et de l'innovation - International Market Research Information - Intraoperative Magnetic Resonance Imaging
In - (s) Indium
IN - (s) Indiana (postal symbol)
INC - (i) Iraqi National Congress
INLA - (i) Irish National Liberation Army
INRI - (a/i) Iesus Nazarenus Rex Iudæorum (Latin, "Jesus of Nazareth, King of the Jews")
INST - (i) Information Standards and Technology
IP - (i) Initial Point - Intellectual Property - Internet Protocol
IPN - (i) Instytut Pamieci Narodowej (Institute for National Memory)
IPW - (i) Interrogation of Prisoners of War
IQ - (i) Intelligence Quotient

IR-IZ

Ir - (s) Iridium
IR - (i) Infrared
IRA - (i) Individual Retirement Account (legally, Individual Retirement Arrangement) - Irish Republican Army
IRBM - (i) Intermediate Range Ballistic Missile
IRC - (i) International Red Cross - International Reply Coupon - Internet Relay Chat
IRO - (i) International Refugee Organisation
IRS - (i) Internal Revenue Service
ISA - (i) Individual Savings Account - industry standard architecture - Instruction Set Architecture - International Seabed Authority
ISAF - (a) International Sailing Federation - International Security Assistance Force
ISB - (i) Intermediate Staging Base
ISF - (i) Internal Security Force
ISCII - (a) Indian Standard Code for Information Interchange
ISO - (i) In search of - International Organization for Standardization
ISM - (i) Interstellar medium
IT - (i) Information Technology
ITN - (i) Independent Television News (British TV news company)
ITS - (i) Incompatible Time-sharing System
ITT - (i) International Telephone and Telegraph (US company)
ITU - (i) International Telecommunication Union
IUPAC - (a) International Union of Pure and Applied Chemistry (pronounced "eye-yoo-pac"
IW - (i) Information Warfare
IWW - (i) Industrial Workers of the World

J

J - (s) Joule
JAG - (a) Judge Advocate General (US military lawyers)
JAL - (a) Japan Airlines
JAMA - (i) Journal of the American Medical Association
JATO - (a) Jet Assisted TakeOff
JCDS - (i) Joint Chiefs of the Defence Staff
JCL - (i) Job Control Language
JCS - (i) Joint Chiefs of Staff
JDL - (i) Jewish Defense League
Jeb Bush - (a) John Ellis Bush
Jeb Stuart - (a) James Ewell Brown (Stuart's given names)
JEZ - (i) Joint Engagement Zone
JFK - (i) John Fitzgerald Kennedy or the airport named after him.
JIB - (i) Joint Information Bureau
JIC - (i) Joint Intelligence Centre
JPEG - (a) Joint Photographic Experts Group ("djaypeg")
JPL - (i) Jet Propulsion Laboratory
JRA - (i) Japanese Red Army
JSEAD - (i) Joint Suppression of Enemy Air Defences
JTIDS - (p) Joint Tactical Information Distribution System ("djaytidds")
JW - (i) Jehovah's Witnesses

K

K - (s) Kelvin - Potassium
KARNAC - (a) Knowledge Aided Retrieval in Activity Context
KBE - (i) Knight Commander of the Order of the British Empire
KCK - (i) Kansas City, Kansas
KCMO - (p) Kansas City, Missouri (pronounced "K-C-Moe")
KERA - (a) Kentucky Education Reform Act (of 1990)
KFC - (i) Kentucky Fried Chicken
KGB - (i) Komitet Gosudarstvennoy Bezopasnosti (Committee for State Security - Soviet Intelligence Service)
KIA - (i) Killed In Action
KISS - (a) Keep It Simple, Stupid
KKK - (i) Ku Klux Klan
KLM - (i) Koninklijke Luchtvaart Maatschappij (Royal Dutch Airlines)
KLOC - (a) Kilo Lines Of Code
KMFDM - (i) Kein mitleid für die mehrheit, or "no pity for the majority" (band)
Kr - (s) Krypton
KS - (s) Kansas (postal symbol)
KY - (s) Kentucky (postal symbol)

L

L - Label - Lap - Large - Laser (US military aircraft basic mission designation) - Latin - Left - Litre - Low (transmissions)

LA-LC

La - (s) Lanthanum
LA - (i) Los Angeles - (s) Louisiana (postal symbol)
LAB - (a) Logistics Assault Base
LabVIEW - (p) Laboratory Virtual Instrumentation Engineering Workbench
LACMA - (a/i) Los Angeles County Museum of Art
LAN - (a) Local Area Network
LANL - (i) Los Alamos National Laboratory
LAR - (i) Light Armoured Reconnaissance
LARC - (a) Livermore Advanced Research Computer (cf. LLNL)
LARP - (a) Live-Action Role-Playing
Laser - (a) Light Amplification by Stimulated Emission of Radiation (cf. Maser)
LATA - (i) Local Access Transport Area
LAV - (a) Light Armoured Vehicle
LAX - (i) Los Angeles Airport
LBJ - (i) Lyndon Baines Johnson - Lady Bird Johnson - Little Beagle Johnson (their dog) - Lightbulb joke
LBNL - (i) Lawrence Berkeley National Laboratory
LBS - Location-Based Services
LBW - (i) Leg Before Wicket
LC - (i) Line of Contact
LCCP - (i) Light Contingency Communications Package
LCD - (i) Liquid Crystal Display
LCM - (i) Least Common Multiple - Lowest Common Multiple

LD-LI

LD - (i) Line of Departure
LDAP - (a/i) Lightweight Directory Access Protocol (pronounced "ell-dap")
LDS - (i) Latter Day Saint - Liberal Democracy of Slovenia
LEC - (i) Local Exchange Carrier
LED - (i) Light-Emitting Diode
LEN - (i) Large Extension Node
LER - (i) Loss-Exchange Ratio
LGB - (i) Lesbian, Gay, Bisexual
LGBT - (i) Lesbian, Gay, Bisexual, Transgender
LGM - (i) Little Green Men
Li - (s) Lithium
LIFO - (a) Last In, First Out

LL-LO

LL - Land Line (telephone) - Last Log - Left Limit - Lex Luthor (Superman character) - Light Line - Little League - Late Latin - Linked List - Limited Liability
LLC - (i) Limited Liability Company
LLGC - (i) London Lesbian and Gay Centre - Llyfrgell Genedlaethol Cymru: The National Library of Wales
LLLTV - (i) Low-Light Level Television
LLNL - (i) Lawrence Livermore National Laboratory
LLP - (i) Limited Liability Partnership
LLTR - (i) Low-Level Transit Route
LMAO - (i) Laughing My A** Off.
LMS - (i) London Mathematical Society
LNG - (i) Liquefied Natural Gas
LOA - (i) Limit Of Advance
LOC - (a) Lines Of Code. For other meanings, see LOC (disambiguation)
LOC - (i) Level of Operational Capability - Limited Operational Capability - Lines Of Communication
LOFAR - (a) Low Frequency Analysis and Recording
LOGPAC - (a) Logistics Package
LOL - (i) Laughing Out Loud
LOMEZ - (a) Low Altitude Missile Engagement Zone
LOS - (i) Line Of Sight
LOTS - (a) Logistics Over-The-Shore

LP-LZ

LP - (i) Linkup Point - Listening Post - Long Playing record
LPG - (i) Liquefied Petroleum Gas (cf. LNG)
Lr - (s) Lawrencium
LRAD - (p) Long Range Acoustic Device
LRP - (i) Logistics Release Point
LRPE - (i) Long-Range Planning Element
LRS - (i) Long Range Surveillance
LS - (i) Landing Support
LSD - (i) German, lyserg-saüre-dietylamid (lysergic acid diethylamide)
LSE - (i) least squares estimate (also least squared error) - London School of Economics - London Stock Exchange
LSI - (i) Large-Scale Integration
LtC - (s) Lieutenant-Colonel
LTC (i) Long-Term Costing
LTG - (i) Lightning (METAR Code)
LTI - (i) Linear Time-Invariant
Lu - (s) Lutecium
LU - (i) Link-Up Point
LUCA - (a) Last Universal Common Ancestor
LVEF - (i) Left Ventricular Ejection Fraction
LV - Las Vegas - Launch Vehicle - Leading Vehicle - Leave - Left Ventricle - Level Valve - Linking Verb
LZ - (i) Landing Zone

M

MA-MD

MA - (s) Massachusetts (postal symbol)
MAA - (i) Mathematical Association of America
MAD - (a) Magnetic Anomaly Detector - Mutual Assured Destruction
MADD - (a) Mothers Against Drunk Driving - Myoadenylate Deaminase Deficiency
MAGTF - (i) Marine Air-Ground Task Force
MAO - (i) MonoAmine Oxidase
MAQS - (a) Museum of the American Quilter's Society (pronounced - "max")
MAS - (i) Military Agency for Standardization
Maser - (a) Microwave Amplification by Stimulated Emission of Radiation
MASH - (a) Mobile Army Surgical Hospital
MB - (s) Manitoba (postal symbol)
MBA - (i) Main Battle Area - Masters of Business Administration
MBE - (i) Member of the Order of the British Empire
MBTA - (i) Massachusetts Bay Transit Authority
MC - (i) Military Cross bravery award
MCA - (i) MultiChannel Analyzer
MCC - (i) Movement Control Centre
MCD - (i) Minimal Cerebral Dysfunction
MC&G - (i) Mapping, Charting, and Geodesy
MCM - (i) Mine Countermeasures
MCP - (i) Maintenance Collection Point
Md - (s) Mendelevium
MD - (s) Maryland (postal symbol) - (i) Mentioned in Despatches, military - Doctor of medicine/medical doctor (Medicinae Doctor)
MDF - (i) Main Distribution Frame - Medium-Density Fibreboard
MDMA - (i) MethyleneDioxy-MethylAmphetamine, also known as "Ecstasy"

ME-MH

ME - (s) Maine (postal symbol)
MECC - (a) Minnesota Educational Computing Consortium (or Corporation, sources differ)
MEDEVAC - (a) Medical Evacuation
MEF - (i) (US) Marine Expeditionary Force - Minimum Essential Facility - Mission Essential Force
MEP - (i) Member of the European Parliament
MET - (a) Meteorological
METAR - (a) Aviation Routine Weather Report
METOC - (a) Meteorological and Oceanographic
MEZ - (i) Missile Engagement Zone
Mg - (s) Magnesium
MG - (i) Machine gun - Morris Garage
MGM - (i) Metro Goldwyn Mayer
MH - (s) Marshall Islands (postal symbol)
MHz - (s) Megahertz

MI-MN

MI - (s) Michigan (postal symbol) - (i) Military Intelligence
MIA - (i) Missing In Action
MIB - (i) Men In Black - Mint in box (of items on Internet auction/trading listings)
MICV - (i) Mechanised Infantry Combat Vehicle
MIFG - (i) Shallow Fog (METAR Code)
MILF - (a) Moro Islamic Liberation Front - Mother I'd Like To Fuck (http://wiktionary.org/w/wiki.phtml?title=Transwiki:Mother_I%27d_Like_To_Fuck)
MIMAROPA - (a) a region in the Philippines: Mindoro, Marinduque, Romblon, Palawan
MIP - (a) Multiple Identity Poster
MIRV - (a) Multiple Independent Reentry Vehicle
MIS - (a) Management Information Systems - Museum Information System
MIT - (i) Massachusetts Institute of Technology - Milli Istihbarad Teskilati (Intelligence service of Turkey)
MITS - (i) see entry
MLA - (i) Member of Legislative Assembly
MLB - (i) Major League Baseball
MLE - (i) Maximum Likelihood Estimation (also ML - Maximum Likelihood)
MLS - (i) Multiple Listing Service - Major League Soccer
MMU - (i) Manned Manoeuvring Unit
Mn - (s) Manganese
MN - (s) Minnesota (postal symbol)
MND - (i) Motor Neurone Disease
MNT - (i) Molecular nanotechnology

MO-MR

Mo - (s) Molybdenum
MO - (s) Missouri (postal symbol) - (i) modus operandi
MOAB - (a) Massive Ordnance Air Blast (official) - Mother Of All Bombs (slang)
Moe - (a) Marvel of entertainment
MOE - (i) Measure Of Effectiveness
MOF - (a/i) Ministry of Finance
MOFA - (a/i) Ministry of Foreign Affairs of Japan
MoMA - (i) Museum of Modern Art
MOOTW - (i) Military Operations Other Than War
MOP - (i) Measure Of Performance
MOPE - (a) Most Oppressed People Ever (politics)
MOS - (a) Mit Out Sound or Mit Out Sprache
MOUT - (i) Military Operations in Urban Terrain
MOW - (i) Maintenance of way (also MW)
MP - (i) Member of Parliament - Military Police - Magic Points - Missouri Pacific - (s) Northern Mariana Islands (postal symbol)
MPA - (i) Maritime Patrol Aircraft - (i) Master of Public Administration
MPEG - (a) Motion Pictures (Coding) Experts Group
MRI - (i) Magnetic Resonance Imaging
MRL - (i) Multiple Rocket Launcher
MRR - (i) Minimum-Risk Route

MS-MZ

MS - (i) Master of Science - Microsoft (sometimes M$) - (s) Mississippi (postal symbol) - (i) Multiple Sclerosis
MSD - (i) Minimum Safe Distance
MSE - (i) Multiple Subscriber Element
MSG - (i) MonoSodium Glutamate
MSIE - (i) Microsoft Internet Explorer
MSL - (i) Missile
MSR - (i) Main Supply Route
MST - (i) Mountain Standard Time - Madison Symmetric Torus
MST3K - (i) Mystery Science Theater 3000
Mt - (s) Meitnerium
MT - (s) Montana (postal symbol)
MTF - (i) Medical Treatment Facility
MTR - (i) Main and Tail Rotor (helicopter type)
MTS - (i) Michigan Terminal/Timesharing System - Multichannel Television Sound - Multi-Technical Services
MTV - (i) Music TeleVision; MainosTeleVisio (Finnish commercial TV company)
MW - (i) Maintenance of way (also MOW)
MWR - (i) Morale, Welfare, Recreation
MYOB - (i) Mind Your Own Business
MZ - (i) Mach-Zehnder (interferometer) - Magnetic Azimuth - Move, Zig (Zero Wing) - (s) Mozambique

N

N - (s) Newton - Nitrogen - North
N3F - (i) National Fantasy Fan Federation

NA-ND

Na - (s) Sodium
N/A - (i) not available / not applicable
NAACP - (i) National Association for the Advancement of Colored People ("N double-A CP")
NAAFI - (a) Navy, Army and Air Force Institute (British)
NAI - (i) Named Area of Interest
NAIRU - (a) Non Accelerating Inflation Rate of Unemployment
NAMBLA - (a) North American Man-Boy Love Association - North American Marlon Brando Look-Alikes
NaN - (i) Not A Number (computing)
NARAL - (a) National Abortion Rights Action League
NAS - (i) Naval Air Station
NASA - (a) National Aeronautics and Space Administration
NASCAR - (a) National Association for Stock Car Auto Racing
Nasdaq - (a) National Association of Securities Dealers Automated Quotations
NASED - National Association of State Election Directors [1] (http://www.nased.org)[2] (http://www.disinfopedia.org/wiki.phtml?title=National_Association_of_State_Election_Directors_(NASED))
NASS - National Association of Secretaries of State [3] (http://nass.org)
NATO - (a) National Association of Theatre Owners - North Atlantic Treaty Organisation
Nb - (s) Niobium
NB - (s) New Brunswick (postal symbol) - (i) nota bene
NBA - (i) National Basketball Association
NBC - (i) National Broadcasting Corporation - Nuclear, Biological, and Chemical
NC - (i) network computer - Node Centre - non-consensual - normally closed - (s) North Carolina (postal symbol)
NC3A or NC³A - (i) NATO Consultation, Command and Control Agency
NCAA - (i) ("NC double A") - National Collegiate Athletic Association
Nd - (s) Neodymium
ND - (s) North Dakota (postal symbol)
NDP - (i) New Democratic Party (Canada)

NE-NK

Ne - (s) Neon
NE - (s) Nebraska (postal symbol) - North-East
NECTEC - (a) National Electronics and Computer Technology Center (Thailand)
NET - (i) National Educational Television
NEWS - (a) North, East, West, South
NFA - (i) No-Fire Area
NFC - (i) National Football Conference
NFER - (i) National Foundation for Educational Research
NFL - (i) National Football League - No-Fire Line
Nfld - (i) Newfoundland
NG - (i) Natural Gas - Next Generation
NGO - (i) Non-Governmental Organization
NH - (s) New Hampshire (postal symbol)
NHANES - (i) National Health and Nutrition Examination Survey
NHL - (i) National Hockey League
Ni - (s) Nickel
NIAID - National Institute of Allergies and Infectious Disease
NIB - (i) New in box (of items on Internet auction/trading listings)
NICHD - National Institute of Child Health and Human Development [4] (http://www.nichd.nih.gov)
NIEHS - (i) National Institute of Environmental Health Sciences
NIH - (i) National Institutes of Health - Not Invented Here
NIMA - (a) National Imagery and Mapping Agency
NIMBY - (a) Not In My Back Yard
NiMH - (i) nickel metal hydride (the lower-case "i" is the standard convention for this acronym in this context)
NIMH - (i) National Institute of Medical Herbalists - National Institute of Mental Health
NIN - (i) Nine Inch Nails (band)
NIST - (i) National Institute of Standards and Technology
NITFS - (i) National Imagery Transmission Format Standard
NJ - (s) New Jersey (postal symbol)

NL-NU

NL - (s) Netherlands - Newfoundland and Labrador (postal symbol)
NLP - (i) Natural Language Processing or Neuro-Linguistic Programming (pseudoscience)
NM - (s) New Mexico (postal symbol)
NMD - (i) National Missile Defense
NNE - (i) North North-East
NNW - (i) North North-West
No - (s) Nobelium
NO - (i) Nitric Oxide - Normally Open - (s) Norway
NOAA - (a) National Oceanic and Atmospheric Administration
NOAF - (i) Norwegian Air Force
NoMBO - (a) Non-mine, Mine-like Bottom Object
NORAD - (a) North American Aerospace Defense Command
NORML - (a) National Organization for the Reform of Marijuana Laws
NORWICH - (a) (k)Nickers Off Ready When I Come Home (British army slang written on letters home)
NOS - (i) New Old Stock (of items on Internet auction/trading listings)
NOTAFLOF - (a) No One Turned Away For Lack Of Funds
NOTAM - (a) Notice to Airmen
NOW - (a) National Organization for Women
Np - (s) Neptunium
NPC - (i) Non-Player Character (roleplaying terminology) / National Provincial Championship (New Zealand rugby competition)
NPD - (i) Nationaldemokratische Partei Deutschlands (German)
NPOV - (i) Neutral Point Of View
NPR - (i) National Public Radio
NRA - (i) National Rifle Association
NRTA - (i) National Rat Terrier Association - National Retail Tenants Association - National Retired Teachers Association - Northwest Regional Transmission Association
NS - (s) Nova Scotia (postal symbol)
NSA - (i) National Security Agency
NT - (s) Northwest Territories (postal symbol)
NTDS - (i) Naval Tactical Data Processing System
NTSC - (i) National Television Standards Committee
NTV - (i) Non-Tactical Vehicle
NU - (s) Nunavut (postal symbol)
NUCC(C) - (a) Nordic University Computer Club (Conference)
NUTS - (a) Nuclear Utilization Target Selection

NV-NZ

NV - (s) Nevada (postal symbol)
NW - (s) North-West
NWFZ - (i) Nuclear-Weapons-Free Zone
NWT - (i) North-West Territories
NY - (s) New York (postal symbol)
NYHA - (i) New York Heart Association
NYRA - (i) National Youth Rights Association / (a) New York Racing Association (horse racing)
NYSE - (i) New York Stock Exchange
NYT - (i) New York Times
NZ - (s) New Zealand
NZC - (i) New Zealand Cricket

O

O - Oberst - Observer - Obstacle - Octal - Officer - Official - Oh - Operational - Operator - Oprah (magazine) - Oustanding - (s) Oxygen

OA-OO

OAC - (i) On Approved Credit
OAU - (i) Organization for African Unity
OB - (i) Obedience - Obligation - Obligatory - Obsolete - Obstetrics - Ocean Beach (California) - Off Break (cricket) - Order of Battle - Outlet Box (electrical) - Overbought (stock market) - Oversight Board
OBE - (i) Officer of the Order of the British Empire
OBJ - (i) Objective (military parlance)
OBS - Observer - Obsolete - Obstacle - Off Balance Sheet - Optical Burst Switching (IEEE) - Organic Brain Syndrome - Organization(al) Breakdown Structure
OBSS - Off Board Sensor Systems - Ordo Byantinus Sancti Sepulchr (Byzantine Order of the Holy Seplchre) - Orbiter Boom Sensor System (space shuttle)
OCR - (i) Optical Character Recognition
OCS - (i) see entry
OED - (i) Oxford English Dictionary
OEM - (i) Original Equipment Manufacturer
OH - (s) Ohio (postal symbol)
OIF - (i) Operation Iraqi Freedom
OJ - (i) Orange Juice / O. J. Simpson
OK - (s) Oklahoma (postal symbol)
ON - (s) Ontario (postal symbol)
OO - (i) Object Oriented - Over & Out
OOP - (i) Object-Oriented Programming - Out Of Print
OOS - (i) Occupational Overuse Syndrome
OOTW - (i) Operations Other Than War

OP-OZ

OP - (i) Observation Point/Post
OPAC - (a) Online Public Access Catalogue
OPEC - (a) Organisation of Petroleum Exporting Countries
OPP - (i) Ontario Provincial Police
OPS - (p) Operations
OR - (s) Oregon (postal symbol)
ORR - (i) Operational Readiness Rate - Office of Refugee Resettlement - (CIA) Office of Research and Reports - Operational Readiness Review
Os - (s) Osmium
OSI - (i) Office of Strategic Influence / Ontario Swine Improvement / Open Source Initiative / Open systems interconnect
OSS - (i) Organization of Strategic Services (forerunner of CIA)
OTOH - (i) On The Other Hand
OVC - (i) Overcast (METAR Code)

P

P - (s) Phosphorus
P2P - Peer to Peer (file sharing)

PA-PC

Pa - (s) Pascal - Protactinium
PA - (s) Pennsylvania (postal symbol) - (i) Public Affairs
PAA - (i) Position Area for Artillery
PABX - (i) Private Automated Branch Exchange (company phone system)
PAFC - (i) Plymouth Argyle Football Club
Pakistan - (a) Punjab, Afghan States, Kashmir, Sindh, Baluchistan
PAL - (a) Phase Alternating Line (TV standard) - Philippine Airlines
PARC - (a) Palo Alto Research Center
PARWIG - (a) Power Augmented Ram Wing In Ground (aeroplane wing shape)
PATH - (a) Port Authority Trans Hudson
PAWS - (a) Phased Array Warning System - Progressive Animal Welfare Society
Pb - (s) Lead
PBS - (i) Public Broadcasting Service
PBX - (i) Private branch exchange (company phone system)
PC - (i) Personal Computer - Player Character (roleplaying) - Politically Correct / Political Correctness
PCB - (i) see entry
PCC - (i) Presidents Conference Committee
PCMCIA - (i) Personal Computer Memory Card International Association (People Can't Memorise Computer-Industry Acronyms)
PCP - (i) phencyclidine - pneumocystis carinii pneumonia - probabilistically checkable proof

PD-PK

Pd - (s) Palladium
PD - (i) Point of Departure
PDA - (i) personal digital assistant - Public display of affection - push-down automaton
PDF - (i) Portable Document Format - Principal Direction of Fire
PDN - (i) Pull-Down Network
PDQ - (i) pretty damn quick (?)
PDRY - (i) People's Democratic Republic of Yemen
PE - (i) Ice Pellets (METAR Code) - (s) Prince Edward Island
PEBCAC - (a) Problem Exists Between Chair and Computer (IT helpdesk in-joke)
PEBKAC - (a) Problem Exists Between Keyboard and Chair (ditto)
PEI - (i) Prince Edward Island
PEO - (a/i) Professional Engineers Ontario
PET - (a/i) Personal Electronic Transactor - Pierre Elliott Trudeau - positron emission tomography (as in PET scan)
PETA - (a/i) pentaerythritol triacrylate - People Eating Tasty Animals - People for the Ethical Treatment of Animals
PFLAG - (p) Parents and Friends of Lesbians and Gays
PFO - (i) Pissed, Fell Over (medical diagnosis in-joke)
PGP - (i) Pretty Good Privacy
PHP - (i) PHP: Hypertext Preprocessor
PIG - (a) Pipeline Inspection Gauge
PIM - (a/i) Path of Intended Motion
PIN - (i) Personal Identication Number
PINF - (i) People In Need Foundation (Czech charitable organization)
PIPA - (i) Program on International Policy Attitudes
PITA - (a) Pain In The Ass
PKA - (i) Previously Known As

PL-PR

PL - (i) Phase Line (Co-ordination Line)
PLC - (i) Public Limited Company (British)
PLD - (i) Probable Line of Deployment
PLL - (i) Phase-locked loop (electronics)
PLM - (i) Polarized light microscope - Polarized light microscopy
PLO - (i) Palestine Liberation Organization
PLOKTA - (a) Press Lots Of Keys To Abort
PLUTO - (a) Pipe Line Under The Ocean
Pm - (s) Promethium
PM - (i) Perry Mason - Phase Modulation - Post Meridian - Prime Minister
PNAC - (i) Project for the New American Century
PNG - (i) Papua New Guinea - Portable Network Graphic
PNP - (i) Partido Nuevo Progresista - Plug 'N' Play - Positive Negative Positive
Po - (s) Polonium
PO - (i) Dust Devil (METAR Code)
POD - (i) Port of Debarkation
POE - (i) Port of Embarkation
POG - (a) Passionfruit, Orange and Guava
POK - (a/i) Plane of Knowledge
POP - (a/i) Point of Presence - Post Office Protocol
Posh - (a) see Dubious entries
POT - (a/i) Plane of Tranquility
POTS - (a) Plain old telephone service (cf PANS - Pretty Advanced/Awesome Network Services)
PP - (i) Passage Point
PPM or ppm - (i) Parts Per Million
PPP - (i) Point-to-Point Protocol - Purchasing Power Parity
PPQ - (i) Pulses Per Quarter (used in Music programming, sequencers)
PPQN - (i) Pulses Per Quarter Note
Pr - (s) Praseodymium
PR - (s) Puerto Rico (postal symbol)
PRC - (i) People's Republic of China
PRFG - (i) Partial Fog (METAR Code)

PS-PZ

PS - (i) Personnel Services - post scriptum
PSA - (i) Paralysis Society of America - Pharmaceutical Society of Australia - Pressure-Sensitive Adhesive - Production Services Association - Prostate Specific Antigen - Public Service Announcement - Public Service Association
PSV - (i) Philips Sport Vereniging (Dutch for Philips Sports Union)
PsyOp - (a) Psychological Operations
Pt - (s) Platinum
PTA - (i) Parent-Teacher Association
PTO - (i) Patent & Trademark Office - Please Turn Over
PTUI - (a/i) Plain-Text User Interface ("pa-too-ey") (cf CLI)
Pu - (s) Plutonium
PUG - (a/i) PET Users Group
PUN - (a/i) Pull-Up Network
PUP - (a/i) Pull-Up Point
PVC - (i) Permanent Virtual Circuit - polyvinyl chloride - premature ventricular contraction
PW - (s) Palau (postal symbol)
PWP - (i) Plot, What Plot? (in online fiction, especially fanfic or erotic fiction, to denote plotless, um, "feel-good" stories)
PWR - (i) pressurized water reactor
PY - (s) Person-Year - (i) Portsmouth yardstick
PZ - (i) Pickup Zone

Q

Qantas - (a) Queensland and Northern Territory Aerial Services
QC - (i) Queen's Counsel - quality control - (s) Québec (postal symbol)
QCA - (i) Qualifications and Curriculum Authority - Quality Council of Alberta
QCD - (i) quantum chromodynamics
QDOS - (p) Quick and Dirty Operating System ("cue-doss")
QED - (i) quantum electrodynamics - Latin "quid es demonstrata" (that proves it)
QSL - (i) Québec sign language
QSTAG - (p) Quadripartite Standardization Agreement ("cue-stag")
Quango - (a) (British Commonwealth) QUasi Autonomous Non-Governmental Organisation
Quasar - (a) Quasi-stellar radio source
qv - (i) Latin "quod vide" (which see)

R

R2I - (i) Resistance to Interrogation
R3P - (i) Rearm, Refuel, and Resupply Point

RA-RD

Ra - (s) Radium
RA - (i) Rain (METAR Code) - Rear Area - Reinforced Alert - Republican Army - Right Ascension - (UK) Royal Artillery
RAA - (i) Rear Assembly Area
RAC - (i) Royal Automobile Club (in the United Kingdom), renamed RAC plc in 2002
Radar - (a) RAdio Detection And Ranging
RAF - (i) Royal Air Force - Red Army Faction
RAM - (a) Random-Access Memory - Rolling Airframe Missile - Royal Air Maroc
RAOC - (i) Rear Area Operation Centre
Rb - (s) Rubidium
R&B - (i) Rhythm and Blues
RBI - (i) Runs Batted In
RBOC - (a/i) Regional Bell Operating Company ("Baby Bell")
RC - (i) see entry
RCA - (i) Radio Corporation of America - Royal City Avenue (famous entertainment zone in Thailand)
RCAF - (i) Royal Canadian Air Force
RCCO - (i) Royal Canadian College of Organists
RCMP - (i) Royal Canadian Mounted Police
RCS - (i) Revision Control System
RCT - (i) Randomized Controlled Trial
RCZ - (i) Rear Combat Zone
RDDL - (a/i) Resource Directory Description Language ("riddle")

RE-RK

Re - (s) Rhenium
REACT - (a) Remote Electronically Activated Control Technology
REAM - (i) Retired Educators Association of Minnesota
RES - (i) Reserve
Rf - (s) Rutherfordium
RF - (i) Radio Frequency
RFA - (i) Restrictive Fire Area
RFC - (i) Request for Comments - Royal Flying Corps (WWI precursor to RAF)
RFE - (i) Request for Enhancement
RFID - (i) Radio Frequency Identification
RFL - (i) Restrictive Fire Line
Rg - (s) Roentgenium
RG - (i) Republican Guard
RGB - (i) Red Green Blue (colour model)
RGBI - (i) Red Green Blue Intensity
Rh - (s) Rhodium
RHU - (i) Replacement Holding Unit
RI - (s) Rhode Island (postal symbol)
RIAA - (i) Recording Industry Association of America
RIF - (i) Reduction In Force (layoffs)
RIP - (a/i) Relief In Place - (i) Rest In Peace (Latin: requiescant in pace)
RISD - (p) Rhode Island School of Design ("riz-dee")

RL-RP

RL - (i) Release Line
RLY - (i) Rally Point
RMS - (i) Rate-Monotonic Scheduling - Richard M. Stallman - Root-Mean-Square - Royal Mail Ship (eg RMS Titanic)
Rn - (s) Radon
RNA - (i) RiboNucleic Acid
RO - (i) Range Only
ROC - (i) Republic of China
ROFL(MAO) - (i) Rolling On the Floor Laughing (My A** Off)
ROM - (a) Read-Only Memory - Refuel On the Move - Royal Ontario Museum
RO/RO - (a) Roll-On/Roll-Off
ROV - (i) Remotely Operated Vehicle
ROZ - (a/i) Restricted Operations Zone
RP - (i) Release Point - Role-Playing
RPG - (i) (US-CA) Regional Planning Group - Rocket Projectile Gun - Rocket Powered/Propelled Grenade - Role-Playing Game
RPL - (i) Reverse Polish Lisp
rpm - (s) revolutions per minute
RPM - (i) Red Hat Package Manager
RPN - (i) reverse Polish notation
rps - (s) revolutions per second
RPV - (i) Remotely Piloted Vehicle

RR-RW

RRS - (i) Racing Rules of Sailing
RRSP - (i) Registered Retirement Savings Plan (Canada; roughly equivalent to the IRA in the USA)
RSA - (i) Regimental Support Area
RSI - (i) Repetitive Strain Injury
RSJ - (i) Rolled Steel Joist (used in construction)
RSN - (i) Real Soon Now, coined by author Jerry Pournelle
RSPCA - (i) Royal Society for the Prevention of Cruelty to Animals
RSS - (i) Really Simple Syndication
RSVP - (i) répondez s'il vous plaît (please reply)
RTF - (i) Rich Text Format
RTFM - (i) Read the Fucking Manual
RTL - (i) see entry
RTS - (i) see entry
Ru - (s) Ruthenium
RUC - (i) Royal Ulster Constabulary
RV - (i) Re-entry Vehicle
RWADA - (i) Resident Weighted Average Daily Attendance, a New York State term used in public education to indicate the size of a school district, i.e its number of students

S

S - (s) Siemens - South - Sulfur

SA-SC

SA - (i) Sand (METAR Code) - Situational Awareness - Sturmabteilung (Nazi Storm Detachment, forerunner and rival of SS, qv.)
SAAFR - (a/i) Standard use Army Aircraft Flight Route ("safer")
SACEUR - (a) Supreme Allied Commander EURope
SAD - (i) Seasonal Affective Disorder
SALT - (a/i) Southern African Large Telescope - Strategic Arms Limitation Talks
SAM - (a) Sequential-Access Memory - Sociedad Aeronáutica de Medellín - Surface-to-Air Missile
SAR - (a) Search And Rescue - Special Administrative Region - Synthetic Aperture Radar
SARS - (a) Severe Acute Respiratory Syndrome
SAS - (i) Scandinavian Airline Systems - Second Avenue Subway - Special Air Service
SAT - (i) formerly Scholastic Aptitude Test and Scholastic Assessment Test; now known solely by the initials
SATB - (i) Soprano Alto Tenor Bass
SAVAK - (a) Sazamane Etelaat va Amniate Kechvar (Iranian Security and Intelligence Service)
SAWE - (a) Society of Allied Weight Engineers
Sb - (s) Antimony
SBC - (i) Single-Board Computer
SBS - (i) Special Boat Service - Special Broadcasting Service
Sc - (s) Scandium
SC - (s) South Carolina (postal symbol)
SCAP - (a) Supreme Commander Allied Powers (Allied occupation of Japan)
SCM - (i) Surface Contamination Module
SCRAM - (a) Safety Control Rod Axe Man
SCSI- (a) (technically pronounced "scuzzy") - Small Computer System Interface
SCT - (i) Scattered Sky (METAR Code)
Scuba - (a) Self Contained Underwater Breathing Apparatus

SD-SH

SD - (i) Sheriff's department - Smoke/Decontamination- (s) South Dakota (postal symbol)
SDI - (i) see entry
SDP - (i) Social Democratic Party (European politics)
SDRAM - (p) Synchronous dynamic random-access memory ("ess-dee-ram")
Se - (s) Selenium
SE - (s) South-East
SEAL - (a) SEa-Air-Land
SEATO - (a) Southeast Asian Treaty Organization
SEC - (i) Securities and Exchange Commission - (p) Security - (i) Southeastern Conference
SÉCAM - (a) Systeme électronique couleur avec mémoire (TV standard, cf NTSC, PAL)
SEN - (i) Small Extension Node
SETI - (a) Search for ExtraTerrestrial Intelligence
SF - (i) San Francisco - science fiction - Special Forces
SFOB - (i) Special Forces Operations Base
Sg - (s) Seaborgium
SG - (i) Snow Grains (METAR Code)
SGML - (i) Standard Generalised Markup Language
SHRA - (i) Rain Showers (METAR Code)
SHSN - (i) Snow Showers (METAR Code)

SI-SK

Si - (s) Silicon
SI - (i) Socialist International - Sports Illustrated - Système International
SIAM - (i) Society for Industrial and Applied Mathematics
SIF - (i) Selective Identification Feature
SIG - (a/i) Special Interest Group - .signature (a UNIX shell/internet standard file name)
SIGINT - (p) Signals Intelligence
SIIT - (i) Saskatchewan Indian Institute of Technologies (university in Canada) - Sirindhorn International Institute of Technology (university in Thailand) - Stateless IP/ICMP Translation Algorithm
SIMM - (a) Single In-line Memory Module
SIMPLE - (a) Satellite Interactive Multimedia Platform for Low-cost Earth stations
SIS - (i) Secret Intelligence Service (also known as MI6)
SK - (s) Saskatchewan (postal symbol)
SKC - (i) Clear Sky (METAR Code)

SL-SN

SL - (i) Start Line
SLA - (i) Service Level Agreement - Symbionese Liberation Army
SLBM - (i) Submarine-Launched Ballistic Missile
SLOC - (a) Source Lines Of Code
SLORC - (a) State Law and Order Restoration Council (of Burma)
SLR - (i) Single-Lens Reflex (camera)
SLT - (i) Solid Logic Technology (electronics)
Sm - (s) Samarium
SMD - (i) Surface Mount Device
SMDR - (i) Station Message Detail Recording
SMG - (i) SubMachine Gun
SMS - (i) many, including Short Message Service; see entry
SMU - (i) Southern Methodist University
Sn - (s) Tin
SN - (i) Snow (METAR Code)
SNAFU - (a) Situation Normal —All Fouled/Fucked Up
SNCF - (i) Société nationale des chemins de fer français (French Railways)
SNOBOL - (a) StriNg Oriented symBOlic Language
SNRI - (i) Serotonin-Norepinephrine Reuptake Inhibitor
SNU - (a) Solar Neutrino Unit

SO-SP

SO - (i) Sheriff's Office - Signifigant Other
SOB - (i) Son Of a Bitch
SOCCSKSARGEN - (a) a region in the Philippines: South Cotabato, Cotabato, Sultan Kudarat, Sarangani, General Santos City (pronounced sock-sar-gen)
SOE - (i) Secret Of Evermore - Special Operations Executive (WWII British organization)
SOF - (a/i) Special Operations Force - Status of Forces
SOL - (i) S**t Out of Luck
Sonar - (a) SOund Navigation And Ranging
SOV - (i) Single Occupant Vehicle
SP - (i) Security Police - Self-Propelled - Shore Patrol - Start Point - Strong Point
SPCO - (i) Single-Pole Change Over
SPD - (i) Shimano Pedaling Dynamics - Sozialdemokratische Partei Deutschlands (Social Democratic Party of Germany)
SPDT - (i) Single-Pole Double-Throw
SPOD - (a/i) Seaport of Debarkation
SPOE - (a/i) Seaport of Embarkation
SPQR - (i) Senatus Populus Que Romanus ("The Senate and the People of Rome")
SPST - (i) Single-Pole Single-Throw

SR-ST

Sr - (s) Strontium
SR - (i) Supply Route
SRAM - (p) Static Random Access Memory ("ess-ram")
SRB - (i) Solid Rocket Booster
SRBM - (i) Short-Range Ballistic Missile (cf. IRBM, ICBM)
SRG - (i) SACEUR Rover Group - Special Republican Guard
SRL - (i) Single Rocket Launcher
SS - (i) Sand Storm (METAR Code) - Schutzstaffel (Nazi elite Praetorian guard) - U.S. Secret Service - Spanish ship - Stainless steel - Stockholm Skins - Super Sport - Surface-to-Surface
SSDD - (i) Same Shit, Different Day - Single-Sided Double-Density (floppy disk)
SSM - (i) Surface-to-Surface (Guided) Missile
SSNW - (i) Same Shit, New Wrapping
S/SSM - (i) Surface-to-Subsurface Missile
SSE - (s) South South-East - Streaming SIMD Extensions
SSRI - (i) Selective Serotonin Reuptake Inhibitor - Social Systems Research Institute
SSTO - (i) Single-Stage To Orbit
SSW - (s) South South-West
STANAG - (p) NATO Standardization Agreement
STFU - (a) Shut The Fuck Up
STOL - (i) Short Take Off and Landing
STOVL - (i) Short Take Off and Vertical Landing
STP - (i) Standard Temperature and Pressure
Stuka - (a) Sturzkampfflugzeug (German WWII dive bomber)

SU-SW

SUB - (i) student-union building
SUNY - (a) State University of New York (usually pronounced "sue-knee")
SUV - (i) Sport Utility Vehicle
SVG - (i) Scalar Vector Graphics
SVO - (i) subject, verb, object
SW - (s) South-West
SWALK - (a) Sealed With A Loving Kiss
SWAPO - (i) South West African People's Organization
SWAT - (a) Special Weapons And Tactics
SWF - (p) ("swiff") Shockwave Flash file
SWG - (i) Surface Warfare Group - Symbology Working Group
SWOT - (a) Strengths, Weaknesses, Opportunities, Threats

T

T - (s) Tesla - Tritium

TA-TD

Ta - (s) Tantalum
TA - (i) Target Acquisition
TAACOM - (a/i) Theatre Army Area Command
TacAN - (a) Tactical Air Navigation
TAI - (i) Targeted Area of Interest
TANJ - (a) There Ain't No Justice
TANSTAAFL - (a) There Ain't No Such Thing As A Free Lunch (from Robert Heinlein)
TARDIS - (a) Time And Relative Dimensions In Space (from Doctor Who)
TATT - (i) Tired All The Time (medical diagnosis in-joke)
Tb - (s) Terbium
TBA - (i) To Be Announced
TBC - (i) To Be Confirmed
TBD - (i) To Be Determined
Tc - (s) Technetium
TCG - (i) Trusted Computing Group - Türkiye Cumhuriyeti Gemisi
TCP - (i) Traffic Control Point - Transmission Control Protocol - trichlorophenol
TCU - (i) Texas Christian University
TD - (i) Temporary Duty - Travel Duty

TE-TL

Te - (s) Tellurium
TE - (i) Tactical Exploitation
TEAL - (a) Tasman Empire Airways Limited
TEETH - (a) Tried Everything Else, Try Homeopathy (medical diagnosis in-joke)
TF - (i) Task Force
TGIF - (i) Thank God It's Friday
TGT - (p) Target
TGV - (i) Tanjong Golden Village - Test Generation with Verification - Train à grande vitesse (high-speed train)
Th - (s) Thorium
Ti - (s) Titanium
Tl - (s) Thallium
TLA - (i) Three-Letter Abbreviation/Acronym
TLC - (i) Tender Loving Care - The Learning Channel - Thin Layer Chromatography
TLD - (i) Top-Level Domain

TM-TS

Tm - (s) Thulium
TM - (i) trademark (often written in small superscript type : ^TM or ™) - Turing machine
TM! - (n) Tenchi Muyo!
TMA - (i) Terminal Manoeuvring Area (restricted flying zone)
TMAP - Texas Medication Algorithm Project
TMD - (i) Theatre Missile Defence
TMJ - (i) TemporoMandibular Joint (syndrome)
TMR - (i) Twin Main Rotors (helicopter type)
TMTOWTDI - (i) There's More Than One Way To Do It (from Perl)
TN - (s) Tennessee (postal symbol)
TNT - (i) TriNitro Toluene
TOS - (a) Tape Operating System - Terms Of Service - Tramiel Operating System
TOT - (i) Time On Target
TOW - (a) Tube-launched, Optically tracked, Wire-guided (anti-tank missile)
TPTB - (i) The Powers That Be (often used to refer to the people responsible for the content of TV series or movies)
TRAIN - (p) Tourist Railway Association, Inc.
Trp - (s) Troop
TRP (i) Time of Reporting
TS - (i) Thunderstorm (METAR Code)
TSN - (i) The Sporting News - The Sports Network
TSR - (i) many, including Terminate and Stay Resident; see entry

TT-TU

TTFN - (i) Ta Ta For Now
TTL - (i) Time 'till live - Time to live - Transistor-transistor logic
TTP - (i) Trailer Transfer Point
TTYL - (i) Internet slang, "Talk To You Later"
TU - (i) Technische Universität (German for Technical University) - Thammasat University (Thailand)
TUC - (i) Trades Union Congress
TUG - (a) TeX Users Group
TUI - (a/i) Text User Interface (cf. CLI)
TUNS - (i) Technical University of Nova Scotia

TV-TZ

TV - (i) Television
TVA - (i) Tennessee Valley Authority (part of New Deal)
TWAT - (i) The War Against Terror
TWS - (i) Track While Scan
TX - (s) Texas (postal symbol)

U

U - (s) Uranium

UA-UL

UAB - (i) University of Alabama at Birmingham
UAR - (i) Uniformly At Random (probability) - United Arab Republic
UAV - (i) Unmanned Aerial Vehicle
UBC - (i) United Baptist Church - University of British Columbia
UBS - (i) Unbundled Bitstream Services - United Bank of Switzerland - United Banque Suisse
UCBSA - (i) United Cricket Board of South Africa
UÇK - (i) acronym for two Albanian guerilla movements
UCLA - (i) University of California, Los Angeles
UDT - (i) Underwater Demolition Team
UEFA - (a) Union of European Football Associations
UFO - (i) Unidentified Flying Object - United Farmers of Ontario
UGV - (i) Unmanned Ground Vehicle
UHF - (i) Ultra High Frequency
UHMW - (i) Ultra-High Molecular Weight
UID - (i) User ID.
UK - (i) United Kingdom
UL - (i) Underwriters Laboratories

UM-UR

UM - (s) Minor Outlying Islands (postal symbol)
UMCP - (i) Unit Maintenance Collection Point
UN - (i) United Nations
UNABOM - (p) University and airline bomber
UNCF - (i) United Negro College Fund
UNESCO - (a) United Nations Educational, Scientific and Cultural Organization
UNHCR - (i) United Nations High Commission(er) for Refugees
UNICEF - (a) United Nations Children's Fund, originally United Nations International Children's Emergency Fund
UNIDO - (a) United Nations Industrial Development Organization
UNIFEM - (p) United Nations Development Fund for Women
UNLV - (i) University of Nevada, Las Vegas
UNMOVIC - (p) United Nations Monitoring, Verification and Inspection Commission
UNPROFOR - (p) United Nations Protection Force
UNSM - (i) Union of Nova Scotian Municipalities
UOG - (a/i) University of Guelph
UPC - (i) Universal Product Code
UPI - (i) United Press International
UPN - (i) United Paramount Network.
UPS - (i) Uninterruptible Power Supply - United Parcel Service
UPU - (i) Universal Postal Union
URI - (i) Uniform Resource Identifier
URL - (a/i) Uniform Resource Locator (earl)

US-UT

US - (i) United States
USA - (i) United States of America - United States Army
USAF - (i) United States Air Force
USAPATRIOT - (i) Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism
USB - (a/i) Universal Serial Bus
USC - (i) United States Code - University of South Carolina - University of Southern California
USCG - (i) United States Coast Guard
USDOE - (i) United States Department of Energy
USEC - (i) United States Enrichment Corporation
USFL - (i) United States Football League
USGS - (i) United States Geological Survey
USMC - (i) United States Marine Corps
USN - (i) United States Navy
USNY - (a) University of the State of New York (usually pronounced "use-knee")
USPS - (i) United States Postal Service
USS - (i) United States ship (sometimes meaningless; see Star Trek)
USSR - (i) Union of Soviet Socialist Republics
UT - (s) Utah (postal symbol)

UU-UZ

UU - (i) Unitarian Universalism - University of Utah - Unseen University
UUA - (i) Unitarian Universalist Association
UUID - Universally Unique Identifier (see also GUID)
UUV - (i) Unmanned Underwater Vehicle
UV - (i) ultraviolet
UWT - (i) Under Water Telephone
UWTG - (i) Under Water Tug
UXO - (a/i) Unexploded Ordnance

V

V - (s) Vanadium - Volt
VA - (s) Virginia (postal symbol)
VAT - (i) Value-Added Tax
VB - (i) Victoria Bitter - Visual Basic
VC - (i) Victoria Cross
VfD - (i) Votes for deletion, used in BambooWeb
VFW - (i) Veterans of Foreign Wars
VHF - (i) Very High Frequency
VI - (s) American Virgin Islands (postal symbol)
VIP - (i) (see VIP)
VISCII - VIetnamese Standard Code for Information Interchange
VLAD - (a/i) Vertical Line Array DIFAR
VLIW - (i) Very Long Instruction Word
VLSI - (i) Very-large-scale integration
VNS - (i) (see VNS)
VOC - (i) Vereenigde Oostindische Compagnie (Dutch East India Company) - Volatile organic compounds
VP - (a/i) Vice-President
VSO - (i) Voluntary Services Overseas
V/STOL - (p) Vertical/Short Take Off and Landing ("vee-stoll")
VT - (s) Vermont (postal symbol)
VTOL - (p) Vertical Take Off & Landing ("stoll")
VV - (i) Via Voice - Village Voice
VV&A - (i) Verification, Validation & Accreditation

W

W - (s) Tungsten - West - Watt
W3C - (i) World Wide Web Consortium
WA - (s) Washington State (postal symbol)
WACC - (a) Weighted Average Cost of Capital
WAN - (a) Wide Area Network
WASP - (a) White Anglo-Saxon Protestant
Wb - (s) Weber
WB - (i) Warner Brothers
WC - (i) Water Closet - Winston Churchill - World Cup (sports)
WCL - (i) World Confederation of Labour
WDC - (i) Western Design Center - World Data Center
WFP - (i) World Food Program
WFZ - Weapons Free Zone
WGS 84 - World Geodetic System 1984
WHO - (a) World Health Organisation
WI - (s) Wisconsin (postal symbol)
WIA - (i) Wounded In Action
WIPO - (i) World Intellectual Property Organization
WMD - (i) Weapon of Mass Destruction
WMO - (i) World Meteorological Organization
W/O - Without
WNW - (s) West North-West
WOLOG - (a/i) WithOut Loss Of Generality
WPE - (i) World Pork Expo
WRT - (i) With Respect To
WSJ - (i) Wall Street Journal
WSW - (s) West South-West
WTC - (i) World Trade Center
WTF - (i) What The Fuck? ("WTF" could also be considered, especially in online communications, a euphemism)
WTO - (i) World Trade Organization
WV - (s) West Virginia (postal symbol)
WW - (i) many, see entry
WWE - (i) World Wrestling Entertainment
WWI - (i) World War I (also: WW1)
WWII - (i) World War II (also: WW2)
WWF - (i) World Wildlife Fund - World Wrestling Federation
WWW - (i) World Wide Web
WY - (s) Wyoming (postal symbol)
WYSIWYG - (a) What You See Is What You Get (see entry for derived acronyms)

X

Xe - (s) Xenon
XCBL - (i) XML Common Business Library
XHTML - (i) eXtensible Hypertext Markup Language
XML - (i) eXtensible Markup Language
XrML - (i) eXtensible Rights Markup Language
XSL - (i) eXtensible Style Language

Y

Y - (s) Yttrium
YAC - (a/i) Youth-Adult Committee
YAP - (a) Young Aspiring Professional
Yb - (s) Ytterbium
YHBT - (i) You Have Been Trolled
Yippie - (a) Youth International Party + suffix
YM - (i) Your Magazine (originally Young Miss, later Young & Modern)
YMCA - (i) Young Men's Christian Association
YMMV - (i) Your Mileage May Vary
YRUU - (i) Young Religious Unitarian Universalists
YT - (s) Yukon Territory
Yuppie - (p) Young Urban Professional + suffix
YWCA - (i) Young Women's Christian Association

Z

ZCU - (i) Zimbabwe Cricket Union
ZIP code - (a) Zoning Improvement Plan
Zn - (s) Zinc
ZOPFAN - (i) Zone Of Peace, Freedom And Neutrality
Zr - (s) Zirconium
ZUI - (a) Zooming User Interface ("zoo-wee")

Dubious entries

Words that may not be acronyms, but (humorous) fake etymology says that they are (some of these are backronyms):

Fuck - (a) Fornication under consent of the king - For unlawful carnal knowledge
Golf - (a) Gentlemen only, ladies forbidden
News - (a) North, east, west and south (a mnemonic)
Pom - (a) (Australian English) Prisoner of His Majesty
Posh - (a) Port out, starboard home
Rap - (a) Rhythm and poetry - Rhythmical African poetry - Rhythmic American Poetry
Tip - (a) To insure promptness - (plural) To insure prompt service

See also

External links

Acronym Finder (http://www.acronymfinder.com)
Apronyms & Acronyms (http://acronyms.co.nz)
IT Acronyms (http://www.computer-tips-und-tricks.de/vera-index.html)
NC3A list of acronyms (http://nc3ta.nc3a.nato.int/website/book.asp?cl=no&page=acronyms/index.html&menuid=13)
Need an apronym created? (http://www.co.nz/cgi/forums/main.cgi?id=acronyms&user=&session=)
STANDS4.com (http://www.STANDS4.com)

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