Dictionary.com

four-cycle

[ fawr-sahy-kuhl, 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.

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Also four-stroke.
Compare two-cycle.

Origin of four-cycle

First recorded in 1905–10

Words nearby four-cycle

fourchette, four-color, four-color problem, four-colour, four-corners, four-cycle, four-deal bridge, four-dimensional, Fourdrinier, four-eyed, four-eyed fish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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 explosionEquivalent term (in Britain and certain other countries): four-stroke Compare two-stroke
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012