Logo
dictionary thesaurus

PCV valve

noun
\ ¦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

First Known Use of PCV valve

1965, in the meaning defined above

History and Etymology for PCV valve

positive crankcase ventilation

Keep scrolling for more

WORD OF THE DAY

desultory

play

See Definitions and Examples

Get Word of the Day daily email!