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

Gas-engines, of the four-cycle type, such as are industrially employed, will here be principally considered.

From Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines by Mathot, R. E.

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 Burns, Elmer Ellsworth

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

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 Pag?, Victor Wilfred

It shows clearly all parts of a typical four-cylinder gasoline engine of the four-cycle type.

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