emission

Emission is defined as the discharge of some substance, such as a gas, or the thing that is discharged.

(noun)

Fumes that come off your car when you drive are an example of an emission.

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See emission in Webster's New World College Dictionary

noun

  1. the act of emitting; issuance; specif.,
    1. the transmission of radio waves
    2. the ejection of electrons from a surface by heat, radiation, etc.
    3. a discharge of fluid from the body; esp., an involuntary discharge of semen
  2. something emitted; discharge

Origin: L emissio < pp. of emittere

See emission in American Heritage Dictionary 4

noun
  1. The act or an instance of emitting.
  2. Something emitted.
  3. A substance discharged into the air, especially by an internal combustion engine.

Origin:

Origin: Latin ēmissiō, ēmissiōn-, a sending out

Origin: , from ēmissus

Origin: , past participle of ēmittere, to send out; see emit

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