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

The two-cycle, or Clerk cycle engines, however, compete strongly with the four-cycle for large gas engines using blast furnace gas.

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

That gave me a chance to study the new engine at first hand and in 1887 I built one on the Otto four-cycle model just to see if I understood the principles.

From My Life and Work by Ford, Henry

A one-cylinder engine of the ordinary four-cycle type has one power stroke for every two revolutions of the fly wheel.

From Electricity for the farm Light, heat and power by inexpensive methods from the water wheel or farm engine by Anderson, Frederick Irving

This treatise outlines fully the operation of two- and four-cycle power plants and all ignition, carburetion and lubrication systems in detail.

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

The two-cycle engine is simpler in construction than the four-cycle, having no valves.

From The Story of Great Inventions by Burns, Elmer Ellsworth