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
This shifts emissions from burning fuel on-site to the electricity supply—meaning an EAF running on renewables can cut CO₂ dramatically.
—
Srishti Gupta, Interesting Engineering, 21 Sep. 2025
Not only does Škoda eliminate carbon emissions, the company also incorporates sustainable materials into its interior.
—Stuart Dyos, Nashville Tennessean, 21 Sep. 2025
More than half of the world's biggest companies have pledged to reach net-zero emissions by mid-century, in line with the world's climate goal, according to data from the non-profit Net-Zero Tracker.
—Simon Jessop, Reuters, 21 Sep. 2025
The company tracks emissions transparently, prioritizes reduction over offsetting, and ensures compliance with recycling and producer responsibility schemes in every market.
—Dianne Plummer, Forbes.com, 20 Sep. 2025
See All Example Sentences for emission
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Srishti Gupta, Interesting Engineering, 21 Sep. 2025
Not only does Škoda eliminate carbon emissions, the company also incorporates sustainable materials into its interior.
—Stuart Dyos, Nashville Tennessean, 21 Sep. 2025
More than half of the world's biggest companies have pledged to reach net-zero emissions by mid-century, in line with the world's climate goal, according to data from the non-profit Net-Zero Tracker.
—Simon Jessop, Reuters, 21 Sep. 2025
The company tracks emissions transparently, prioritizes reduction over offsetting, and ensures compliance with recycling and producer responsibility schemes in every market.
—Dianne Plummer, Forbes.com, 20 Sep. 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 23 Sep. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share