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
Yes, but: The focus on meeting growing energy demand has overshadowed the focus on reducing emissions, Reams said.
—
Emily Hamilton, Axios, 14 Mar. 2025
With clean electricity, the process could make steel with zero CO2 emissions.
—Michael Franco, New Atlas, 13 Mar. 2025
To achieve this return, the report calculates that investments in cutting emissions (mitigation) would need to rise nine-fold, while investments in strengthening systems against damage (adaptation) would need to rise 13-fold.
—David Vetter, Forbes, 13 Mar. 2025
Carbon emission stats can be seen throughout the visualization, and Anadol claimed that running the artwork for one year takes the equivalent energy consumption of charging four cell phones over the same time span.
—Chris Erik Thomas, ARTnews.com, 13 Mar. 2025
See All Example Sentences for emission
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Emily Hamilton, Axios, 14 Mar. 2025
With clean electricity, the process could make steel with zero CO2 emissions.
—Michael Franco, New Atlas, 13 Mar. 2025
To achieve this return, the report calculates that investments in cutting emissions (mitigation) would need to rise nine-fold, while investments in strengthening systems against damage (adaptation) would need to rise 13-fold.
—David Vetter, Forbes, 13 Mar. 2025
Carbon emission stats can be seen throughout the visualization, and Anadol claimed that running the artwork for one year takes the equivalent energy consumption of charging four cell phones over the same time span.
—Chris Erik Thomas, ARTnews.com, 13 Mar. 2025
See All Example Sentences for emission
Cite this Entry
“Emission.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/emission. Accessed 22 Mar. 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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