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Emission
The word
emission
generally means sending something out. It can be used in the following contexts:
In
chemistry
emissions are the products of a
reaction
, either
chemical
or
nuclear
.
In
physics
and
physical chemistry
emissions are outputs of
electromagnetic radiation
or
particles
.
In common usage,
emission
is often the giving off of
gases
from
industrial processes
of
factories
and
transportation
. As they occur on an industrial scale, even relatively harmless gases can have an undesired effect (such as
carbon dioxide
contributing to the
greenhouse effect
). See also
Emission trading
.
This is a
disambiguation
page; that is, one that points to other pages that might otherwise have the same name. If you followed a link here, you might want to go back and fix that link to point to the appropriate specific page.
