four-stroke cycle

noun

Definition of four-stroke cycle

: a cycle in which air or an explosive mixture is drawn into the cylinder of an internal-combustion engine on a suction stroke, is compressed and ignited on a compression stroke, burns and performs useful work on an expansion stroke, and expels the products of combustion on an exhaust or scavenging stroke

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Learn More About four-stroke cycle

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fourteen-one continuous

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Cite this Entry

“Four-stroke cycle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/four-stroke%20cycle. Accessed 24 Jun. 2021.

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