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 emissive (audio) \ adjective

Examples of emission in a Sentence

trying to reduce the emission of greenhouse gases

Recent Examples on the Web

That’s what Ama Waterways promises with its 14-room Zambezi Queen, designed specifically for this purpose, with eco- friendly features like low-emission generators. Klara Glowczewska, Town & Country, "The Best Places to Travel in 2019," 7 Dec. 2018 Buyers of electric vehicles made by GM and other automakers get federal tax credits of up to $7,500, helping reduce the price as an incentive to get more of the zero-emissions vehicles on the road. Zeke Miller, The Seattle Times, "Trump suggests he’s looking into tariffs on car imports," 28 Nov. 2018 Gas prices typically increase in the spring as oil refineries undergo maintenance and prepare to produce lower-emission fuel blends for the peak summer driving months. Samantha Bomkamp, chicagotribune.com, "Gas prices spike before travel-heavy Memorial Day weekend, but travelers so far are undeterred," 24 May 2018 There have been many flavors of RC-135 built over the years to suit all kinds of intelligence gathering, from geolocating electronic signals to harvesting and analyzing the electronic emissions of potential adversaries. Kyle Mizokami, Popular Mechanics, "Watch a Russian Jet Fighter Intercept a U.S. Air Force Spy Plane," 7 Mar. 2019 Which country is responsible for the emissions involved? David Roberts, Vox, "The case for “conditional optimism” on climate change," 29 Jan. 2019 The planet doesn’t care where the emissions happen. Holman W. Jenkins, WSJ, "The Lessons of ‘Dieselgate’," 4 Jan. 2019 This helps bring batteries into the emissions-reducing fold. Megan Geuss, Ars Technica, "Under current policies, residential batteries increase emissions in most cases," 28 Dec. 2018 According to a UC Davis study the total greenhouse gas pollution equaled the emissions of a half-million cars driven for a year. Rob Nikolewski, sandiegouniontribune.com, "Utilities commission calls for increasing volume at Aliso Canyon," 20 June 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

22 Apr 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 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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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

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