- the act of emitting; issuance; specif.,
- the transmission of radio waves
- the ejection of electrons from a surface by heat, radiation, etc.
- a discharge of fluid from the body; esp., an involuntary discharge of semen
- something emitted; discharge; often, specif., exhaust from a gasoline or diesel engine
Origin of emissionClassical Latin emissio from past participle of emittere