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.

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 UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for four-cycle

The two-cycle engine is simpler in construction than the four-cycle, having no valves.
The Story of Great Inventions|Elmer Ellsworth Burns
The greater number of engines used in automobiles to-day are of the kind known as the Otto cycle, or four-cycle, engine.
The Story of Great Inventions|Elmer Ellsworth Burns
As to disadvantages:—In a four-cycle engine there is but one working stroke in four piston traverses.
Inventors at Work|George Iles
It shows clearly all parts of a typical four-cylinder gasoline engine of the four-cycle type.
Aviation Engines|Victor Wilfred Pag

The four-cycle engines have been so far subjected to much more rigid and authoritative tests than those of the two-cycle.
Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4|Various

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

单词	four-cycle
释义	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. 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 UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for four-cycle The two-cycle engine is simpler in construction than the four-cycle, having no valves. The Story of Great Inventions\|Elmer Ellsworth Burns The greater number of engines used in automobiles to-day are of the kind known as the Otto cycle, or four-cycle, engine. The Story of Great Inventions\|Elmer Ellsworth Burns As to disadvantages:—In a four-cycle engine there is but one working stroke in four piston traverses. Inventors at Work\|George Iles It shows clearly all parts of a typical four-cylinder gasoline engine of the four-cycle type. Aviation Engines\|Victor Wilfred Pag The four-cycle engines have been so far subjected to much more rigid and authoritative tests than those of the two-cycle. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4\|Various 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
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