emission

noun

emis·​sion ē-ˈmi-shən How to pronounce emission (audio)
1
a
: an act or instance of emitting : emanation
b
archaic : publication
c
: a putting into circulation
2
a
: 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
emissive adjective

Examples of emission in a Sentence

trying to reduce the emission of greenhouse gases
Recent Examples on the Web According to the California Air Resources board, the state produces some of the world’s lowest carbon intensity oil, with Bakersfield and Kern County fields coming in around 8 grams of CO2 equivalent emissions per megajoule of energy produced. Christopher Helman, Forbes, 14 Feb. 2024 Special features: The luxe fabric is moisture-wicking and machine washable, made of soft merino wool and Greenguard Gold certified, which means it has been rigorously tested for low chemical emissions. Jessica Booth, Parents, 14 Feb. 2024 In New Zealand, the new government of the farmer-friendly National Party proposed to delay what was set to be the world’s first ever farm emissions tax until 2030. Nayla Razzouk, Fortune Europe, 13 Feb. 2024 But that remains far from reach: While U.S. greenhouse gas emissions have dipped in recent decades, global emissions continue to rise. Christopher Flavelle, New York Times, 12 Feb. 2024 But a bus fueled by green hydrogen would have about half the total emissions of a typical battery-electric bus run on a mixed grid. Kristel Tjandra, The Mercury News, 12 Feb. 2024 As part of his ambitious statewide climate goals, Gov. Gavin Newsom has targeted statewide operations for emissions reduction. Maya Miller, Sacramento Bee, 12 Feb. 2024 The reason for this is the substantial greenhouse gas emissions generated in the manufacture of an EV. Andrew Stuttaford, National Review, 11 Feb. 2024 The rapid ascent of Chinese suppliers has raised proposals in Europe for import controls, but those could slow the region's progress in combating climate change but cutting carbon emissions. Elaine Kurtenbach, Quartz, 7 Feb. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'emission.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1607, in the meaning defined at sense 1a

Time Traveler
The first known use of emission was in 1607

Dictionary Entries Near emission

Cite this Entry

“Emission.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/emission. Accessed 24 Feb. 2024.

Kids Definition

emission

noun
emis·​sion ē-ˈmish-ən How to pronounce emission (audio)
1
: an act or instance of emitting
2
: something emitted or discharged
emissive adjective

Medical Definition

emission

noun
emis·​sion ē-ˈmish-ən How to pronounce emission (audio)
1
: an act or instance of emitting
2
a
: 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
Last Updated: - Updated example sentences
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