four-cycle
[ fawr-sahy-kuh l, fohr- ]
/ ˈfɔrˌsaɪ kəl, ˈfoʊr- /
adjective
noting or pertaining to an internal-combustion engine in which a complete cycle in each cylinder requires four strokes, one to draw in air or an air-fuel mixture, one to compress it, one to ignite it and do work, and one to scavenge the cylinder.
Also
four-stroke.
Compare
two-cycle.
Origin of four-cycle
First recorded in 1905–10
Words nearby four-cycle
Example sentences from the Web for four-cycle
British Dictionary definitions for four-cycle
four-cycle
adjective
US and Canadian
relating to or designating an internal-combustion engine in which the piston makes four strokes for every explosion
Equivalent term (in Britain and certain other countries): four-stroke Compare two-stroke