emission
noun
emis·sion
ē-ˈmi-shən 
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
Examples of emission in a Sentence
trying to reduce the emission of greenhouse gases
Recent Examples on the Web
Artificial lighting generates 2 billion tons of carbon every year, contributing to catastrophic levels of greenhouse gas emissions.
—
Alaa Elassar, CNN, 10 Aug. 2024
The state also released a plan in December to slash global warming emissions by 60% by 2031 based on 2006 emissions, as recommended by the General Assembly.
—Lizzy Alspach, Baltimore Sun, 10 Aug. 2024
Additionally, people who register a car or taxi with cleaner emissions will qualify for an emission rebate which will be used to offset the car or taxi’s ARF.
—Sheila Chiang, CNBC, 8 Aug. 2024
That’s a problem for California’s cap-and-trade initiative, which depends in part on corporate polluters paying to protect forests and thus keep planet-warming carbon emissions out of the atmosphere, instead of reducing their own emissions.
—Sammy Roth, Los Angeles Times, 8 Aug. 2024
See all Example Sentences for emission 
Alaa Elassar, CNN, 10 Aug. 2024
The state also released a plan in December to slash global warming emissions by 60% by 2031 based on 2006 emissions, as recommended by the General Assembly.
—Lizzy Alspach, Baltimore Sun, 10 Aug. 2024
Additionally, people who register a car or taxi with cleaner emissions will qualify for an emission rebate which will be used to offset the car or taxi’s ARF.
—Sheila Chiang, CNBC, 8 Aug. 2024
That’s a problem for California’s cap-and-trade initiative, which depends in part on corporate polluters paying to protect forests and thus keep planet-warming carbon emissions out of the atmosphere, instead of reducing their own emissions.
—Sammy Roth, Los Angeles Times, 8 Aug. 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.
Dictionary Entries Near emission
Cite this Entry
“Emission.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/emission. Accessed 19 Aug. 2024.
Copy CitationKids Definition
emission
noun
emis·sion
ē-ˈmish-ən
1
: an act or instance of emitting
2
: something emitted or discharged
Medical Definition
emission
noun
emis·sion
ē-ˈmish-ən
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
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