plural emissions
1
: the act of producing or sending out something (such as energy or gas) from a source
emission of light
trying to reduce the emission of greenhouse gases
2
: something sent out or given off
The new regulations are intended to reduce auto emissions. [=harmful substances released into the air by automobiles]
Cite this Entry
“Emission.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/emission. Accessed 21 Jun. 2026.
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