Propellant
A propellant is a gas, liquid or plasma used to move an object by applying a motive force. Common propellants are gasoline, jet fuel and rocket fuel.
In aerosol cans, the propellant is simply a compressed gas. Chlorofluorocarbons were once often used, but have been replaced in recent years due to the negative effects CFCs have on Earth's atmospheric ozone layer.
In ballistics and pyrotechnics, a propellant is a material which burns very rapidly but controllably, to produce thrust by gas pressure and thus accelerate a projectile or rocket. In this sense, common or well known propellants include, for firearms, artillery and solid fuel rockets:
Common propellants for liquid fuelled rockets include:
See also
