emission

noun
emis·​sion | \ ē-ˈmi-shən How to pronounce emission (audio) \

Definition of emission

1a : an act or instance of emitting : emanation
b archaic : publication
c : a putting into circulation
2a : something sent forth by emitting: such as
(1) : electromagnetic radiation from an antenna or a celestial body
(2) usually emissions : substances discharged into the air (as by a smokestack or an automobile engine)
b : effluvium

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Other Words from emission

emissive \ ē-​ˈmi-​siv How to pronounce emission (audio) \ adjective

Examples of emission in a Sentence

trying to reduce the emission of greenhouse gases
Recent Examples on the Web Technological innovation, in addition to policies, will be crucial for achieving low-carbon or zero-emission shipping. Jing Sun, The Conversation, 11 June 2021 To limit air pollution, Metro officials also proposed funding a program to clean truck traffic by replacing diesel freight with low- and zero-emission alternatives. Liam Dillon Staff Writer, Los Angeles Times, 27 May 2021 That, in turn, means zero emission electric vehicles must hit 50-60% of total sales by 2030. Margo Oge, Forbes, 25 May 2021 Zero-emission locomotives, powered by electric batteries or hydrogen, will be required in the future and are included in the SANDAG analysis. Phil Diehl, San Diego Union-Tribune, 27 Apr. 2021 Together with its Sportback twin that features a sleeker, more coupe-like look, the SUV is Audi’s third zero-emission model line. Christiaan Hetzner, Fortune, 14 Apr. 2021 Market forces alone will not be enough, experts say, to spur the more meaningful changes that are urgently needed to achieve zero-emission goals by 2050. Connie Foong, The Christian Science Monitor, 5 Apr. 2021 Biden as a candidate pledged $2 trillion in investment to help transform the US into a zero-emission economy by 2050 while building clean-energy and technology jobs. BostonGlobe.com, 27 Mar. 2021 Biden as a candidate pledged $2 trillion in investment to help transform the U.S. into a zero-emission economy by 2050 while building clean-energy and technology jobs. Ellen Knickmeyer And Seth Borenstein, chicagotribune.com, 26 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'emission.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of emission

1607, in the meaning defined at sense 1a

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Time Traveler for emission

Time Traveler

The first known use of emission was in 1607

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Statistics for emission

Last Updated

17 Jun 2021

Cite this Entry

“Emission.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/emission. Accessed 24 Jun. 2021.

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More Definitions for emission

emission

noun

English Language Learners 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

emission

noun
emis·​sion | \ ē-ˈmi-shən How to pronounce emission (audio) \

Kids Definition of emission

1 : the act of giving off The energy plant is reducing the emission of harmful gases.
2 : something that is given off Scientists can record radio emissions from far-off stars.

emission

noun
emis·​sion | \ ē-ˈmish-ən How to pronounce emission (audio) \

Medical Definition of emission

1 : an act or instance of emitting
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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