emission: Meaning and Definition of
e•mis•sion
Pronunciation: (i-mish'un), [key]
— n.
- an act or instance of emitting: the emission of poisonous fumes.
- something that is emitted; discharge; emanation.
- an act or instance of issuing, as paper money.
- a measure of the number of electrons emitted by the heated filament or cathode of a vacuum tube.
- an ejection or discharge of semen or other fluid from the body.
- the fluid ejected or discharged.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.