What is the meaning of four-stroke internal-combustion engine?

noun

  • An internal-combustion engine in which an explosive mixture is drawn into the cylinder on the first stroke and is compressed and ignited on the second stroke; work is done on the third stroke and the products of combustion are exhausted on the fourth stroke.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). four-stroke internal-combustion engine. Retrieved September 21, 2026, from http://smartdefine.org/four-stroke_internal-combustion_engine/definitions/1277053
ChicagoWordNet. 2010. "four-stroke internal-combustion engine" http://smartdefine.org/four-stroke_internal-combustion_engine/definitions/1277053 (accessed September 21, 2026).
HarvardWordNet 2010, four-stroke internal-combustion engine, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/four-stroke_internal-combustion_engine/definitions/1277053>.
MLAWordNet. "four-stroke internal-combustion engine" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/four-stroke_internal-combustion_engine/definitions/1277053>