four-cycle

American  

[fawr-sahy-kuhl, fohr-] / ˈfɔrˌsaɪ kəl, ˈfoʊr- /

adjective

1. 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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four-cycle British  

adjective

1. Equivalent term (in Britain and certain other countries): four-stroke.  relating to or designating an internal-combustion engine in which the piston makes four strokes for every explosion Compare two-stroke

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Etymology

Origin of four-cycle

First recorded in 1905–10

Example Sentences

See Examples For:

four-cycle

The Model A is of the water-cooled four-cycle Vee type, with eight cylinders, 4.7245 inch bore by 5.1182 inch stroke, piston displacement 718 cubic inches.

From Aviation Engines Design?Construction?Operation and Repair by Victor Wilfred Pag?

It's a four-cycle engine, and a fast boat, too.

From Dick in the Everglades by A. W. Dimock

The greater number of engines used in automobiles to-day are of the kind known as the Otto cycle, or four-cycle, engine.

From The Story of Great Inventions by Elmer Ellsworth Burns

The action of the four-cycle type may be easily understood if one refers to illustrations at Figs.

From Aviation Engines Design?Construction?Operation and Repair by Victor Wilfred Pag?

Two-Cycle Engine.—While the Otto or four-cycle engine was developing as above described, inventors were hard at work on the two-cycle engine.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" by Various