emission

noun
emis·​sion | \ ē-ˈmi-shən \

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 \ adjective

Examples of emission in a Sentence

trying to reduce the emission of greenhouse gases

Recent Examples on the Web

Several northeastern states agreed to develop a cap-and-trade system to cut transport-sector carbon emissions. Paul Page, WSJ, "Today’s Logistics Report: ‘Tis Delivery Season; Nimble Warehousing; Braking Trucking’s Rest Rules," 24 Dec. 2018 Others, such as the European Union, agree on the need to cut emissions but want to ensure all countries contribute a fair share. Frank Jordans, The Seattle Times, "Climate talks shift to nitty-gritty details of Paris accord," 5 Dec. 2018 Obama's plan was designed to cut U.S. carbon dioxide emissions to 32 percent below 2005 levels by 2030. Fox News, "Trump EPA overhauls Obama-era regulations for coal-fired power plants," 21 Aug. 2018 Many of the world’s governments have accepted responsibility for cutting carbon dioxide emissions from the energy system by dedicating money to public funds to infrastructure works and increasing regulation. Kelly Gilblom, Houston Chronicle, "Don’t make us pay for climate change, say Big Oil CEOs," 9 July 2018 Their worst-case emissions scenario, RCP 8.5, is one in which the global economy lapses into economic and technological stagnation (contradicting an assumption on the left that stopping economic growth is the solution to climate change). Holman W. Jenkins, WSJ, "Big Names Bake a Climate Pie in the Sky," 18 Jan. 2019 Toughening emissions and fuel economy standards had signed the Wankel's death warrant. Matthew Jancer, Popular Mechanics, "The Rhombus Rotary Engine: Can a Quirky New Design Top the Famous Wankel?," 18 Jan. 2019 Electric cars, which produce no emissions, driven by non-residents will also be allowed to freely enter the area. Jon Porter, The Verge, "Madrid’s ban on polluting vehicles cuts traffic by nearly 32 percent in some areas," 3 Dec. 2018 Otherwise, the mattress is made with memory foam that meets CertiPUR-US certified standards for content, emissions, and durability, meaning it's made without harmful chemicals. Brittney Morgan, House Beautiful, "People Swear By This Green Tea Mattress On Amazon," 18 Oct. 2018

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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Statistics for emission

Last Updated

11 Feb 2019

Look-up Popularity

Time Traveler for emission

The first known use of emission was in 1607

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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 \

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)
b : a discharge of fluid from a living body especially : ejaculate — see nocturnal emission

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More from Merriam-Webster on emission

Spanish Central: Translation of emission

Nglish: Translation of emission for Spanish Speakers

Britannica English: Translation of emission for Arabic Speakers

Britannica.com: Encyclopedia article about emission

Comments on emission

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