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reciprocating engine

noun
1.
any engine employing the rectilinear motion of one or more pistons in cylinders.
Also called displacement engine, piston engine.
Origin
1815-1825
1815-25
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for reciprocating-engine

reciprocating engine

noun
1.
an engine in which one or more pistons move backwards and forwards inside a cylinder or cylinders
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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20
25
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