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emission

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noun emis·sion \ē-ˈmi-shən\

Simple Definition of emission

  • : the act of producing or sending out something (such as energy or gas) from a source

  • : something sent out or given off

Source: Merriam-Webster's Learner's Dictionary

Full Definition of emission

  1. 1 a :  an act or instance of emitting :  emanation b archaic :  publication c :  a putting into circulation

  2. 2 a :  something sent forth by emitting: as (1) :  electromagnetic radiation from an antenna or a celestial body (2) usually plural :  substances discharged into the air (as by a smokestack or an automobile engine) b :  effluvium

emissive play \-ˈmi-siv\ adjective

Examples of emission in a sentence

  1. trying to reduce the emission of greenhouse gases



1607

First Known Use of emission

1607

Other Automotive Terms


EMISSION Defined for Kids

emission

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noun emis·sion \ē-ˈmi-shən\

Definition of emission for Students

  1. 1 :  the act of giving off <The energy plant is reducing the emission of harmful gases.>

  2. 2 :  something that is given off <Scientists can record radio emissions from far-off stars.>




Medical Dictionary

emission

play
noun emis·sion \ē-ˈmish-ən\

Medical Definition of emission

  1. 1:  an act or instance of emitting

  2. 2a:  something sent forth by emitting: as (1):  electrons discharged from a surface (2):  electromagnetic waves radiated by an antenna or a celestial body (3):  substances and especially pollutants discharged into the air (as by a smokestack or an automobile gasoline engine)b:  a discharge of fluid from a living body; especially :  ejaculate—see nocturnal emission





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