PCV valve

\ ¦pē(ˌ)sēˈvē- \

Definition of PCV valve

: an automotive-emission control valve that recirculates gases (as from blow-by) through the combustion chambers to permit more complete combustion

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First Known Use of PCV valve

1965, in the meaning defined above

History and Etymology for PCV valve

positive crankcase ventilation

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The first known use of PCV valve was in 1965

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PCV valve


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Cite this Entry

“PCV valve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/PCV%20valve. Accessed 26 Oct. 2021.

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