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
California, and the nation, must double down on renewable energy transitions, sustainable agriculture and policies that reduce greenhouse gas emissions.
—
Abhinav Anne, Chicago Tribune, 13 Jan. 2025
Investments in renewable energy microgrids, like those implemented by Valley Children’s Healthcare in California, can reduce emissions and ensure resilience during power outages.
—Bill Frist, Forbes, 13 Jan. 2025
And he’s expected to relax tailpipe emission rules that could slow down EV sales even more — and allow car companies to sell more polluting vehicles.
—Andrew J. Hawkins, The Verge, 13 Jan. 2025
Indeed, if everyone in the U.S. went vegan, the country's greenhouse gas emissions would decrease by only 2.6 percent, according to researchers at the U.S. Department of Agriculture.
—Yaakov Katz, Newsweek, 13 Jan. 2025
See all Example Sentences for emission 
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Abhinav Anne, Chicago Tribune, 13 Jan. 2025
Investments in renewable energy microgrids, like those implemented by Valley Children’s Healthcare in California, can reduce emissions and ensure resilience during power outages.
—Bill Frist, Forbes, 13 Jan. 2025
And he’s expected to relax tailpipe emission rules that could slow down EV sales even more — and allow car companies to sell more polluting vehicles.
—Andrew J. Hawkins, The Verge, 13 Jan. 2025
Indeed, if everyone in the U.S. went vegan, the country's greenhouse gas emissions would decrease by only 2.6 percent, according to researchers at the U.S. Department of Agriculture.
—Yaakov Katz, Newsweek, 13 Jan. 2025
See all Example Sentences for emission
Dictionary Entries Near emission
Cite this Entry
“Emission.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/emission. Accessed 18 Jan. 2025.
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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