piston engine

noun

Definition of piston engine

: an engine utilizing pistons working in cylinder and usually involving reciprocating motion

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Learn More About piston engine

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Cite this Entry

“Piston engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/piston%20engine. Accessed 25 Jan. 2022.

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