emission
noun
emis·sion
| \ ē-ˈmi-shən
\
\
Definition of emission
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
\
adjective
\
adjective
Examples of emission in a Sentence
trying to reduce the emission of greenhouse gases
Recent Examples on the Web
California’s congressionally granted authority to set its own, tougher emissions standards under the 1970 Clean Air Act has long prodded automakers to adopt more fuel-efficient passenger vehicles. — Tom Krisher, BostonGlobe.com, "Trump challenges California power to control auto pollution," 7 Sep. 2019 California has authority under the Clean Air Act, which was signed into law by President Richard Nixon, to set its own emissions standards, which are tougher than national standards. — Phoebe Wall Howard, Detroit Free Press, "Trump administration launches legal attack on carmakers' fuel-economy deal with California," 6 Sep. 2019 California has had stricter fuel economy and auto emissions standards for decades. — CBS News, "Trump plans to revoke California fuel economy standards," 5 Sep. 2019 Previous innovations by the powerful state agency in 1966 set up the first tailpipe standards emissions standards and last month clinched an environmental deal with major carmakers. — Bloomberg, The Mercury News, "How California can help save Brazil’s burning rainforests," 28 Aug. 2019 The White House is trying to prevent more automakers from joining in an agreement with California regulators to adhere to stricter emissions standards. — Aarian Marshall, WIRED, "A Bank-Busting Bugatti, VW’s EV Dune Buggy, and More Car News," 25 Aug. 2019 Aviation accounts for more than 2% of global greenhouse gas emissions, according to the European Union. — Lucy Diavolo, Teen Vogue, "Meghan Markle and Prince Harry's Private Jet Usage Is Being Criticized for Environmental Reasons," 20 Aug. 2019 The Obama Administration also granted California a waiver under the Clean Air Act to impose its own emissions standards and electric-car mandate, which nine other states have adopted. — The Editorial Board, WSJ, "California’s Backseat Drivers," 16 June 2019 And if saving the rainforest isn't enough to convince carnivores to stop eating Brazilian beef -- the greenhouse gas emissions the cattle create may be. — Eliza Mackintosh, CNN, "The Amazon is burning because the world eats so much meat," 23 Aug. 2019These 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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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
See the full definition for emission in the English Language Learners Dictionary
emission
noun
emis·sion
| \ ē-ˈmi-shən
\
\
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
\
\
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)
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