Emission meaning

ĭ-mĭshən
Frequency:
Emission is defined as the discharge of some substance, such as a gas, or the thing that is discharged.

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

noun
2
0
Something emitted; discharge; often, specif., exhaust from a gasoline or diesel engine.
noun
1
0
That which is emitted or sent out.

The emission was mostly blood.

noun
1
0
The act of emitting; issuance.
  • 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.
noun
1
1
A substance discharged into the air, especially by an internal combustion engine.
noun
0
0
Advertisement
The act of sending or throwing out; the act of sending forth or putting into circulation; issue.

The emission of light from the sun.

The emission of heat from a fire.

noun
0
0
The act or an instance of emitting.
noun
0
1
Something emitted.
noun
0
1

Origin of emission

  • Latin ēmissiō ēmissiōn- a sending out from ēmissus past participle of ēmittere to send out emit

    From American Heritage Dictionary of the English Language, 5th Edition

  • First attested in 1607. From Middle French émission, from Latin ēmissiō (“sending forth”), from ēmittō (“send out”), from ex (“from, out of”) + mittō (“send”).

    From Wiktionary