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
Advertisement Thus far, the program has not been particularly effective in reducing emissions, Cullenward said.
—
Ian James, Los Angeles Times, 9 May 2024
Reduces emissions of hazardous volatile substances and decreases energy consumption in refinery plants.
—Fort Worth Star-Telegram, 9 May 2024
See all Example Sentences for emission 
Ian James, Los Angeles Times, 9 May 2024
Reduces emissions of hazardous volatile substances and decreases energy consumption in refinery plants.
—Fort Worth Star-Telegram, 9 May 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 16 May. 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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