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 The reality for most companies is these indirect emissions represent the most significant sustainability challenge. Aparna Prabhakar, Forbes, 6 Sep. 2024 The project will deliver power to about 240,000 homes and reduce carbon emissions by 70%, according to the cooperative. Laura Schulte, Journal Sentinel, 6 Sep. 2024 These record-breaking temperatures are part of a long-term warming trend driven by human activities, primarily the emission of greenhouse gases, NASA said. Doyle Rice, USA TODAY, 6 Sep. 2024 That’s turning school pick-up lines into a hellscape of idling cars and SUVs spewing their own emissions onto the sidewalk, where the kids wait for their parents. Adam Clark Estes, Vox, 5 Sep. 2024 See all Example Sentences for emission 

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 12 Sep. 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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