- reciprocating engine — n. any engine in which the movement of the pistons back and forth causes the rotary motion of the crankshaft …   English World dictionary 
- Reciprocating engine — internal combustion piston engine. E Exhaust camshaft I Intake camshaft S Spark plug V Valves P Piston R Connecting rod C Crankshaft W Water jacket for coolant flow.] A reciprocating engine, also often known as a piston engine, is a heat engine… …   Wikipedia 
- Reciprocating engine — Reciprocate Re*cip ro*cate (r[ e]*s[i^]p r[ o]*k[=a]t), v. i. [imp. & p. p. {Reciprocated} (r[ e]*s[i^]p r[ o]*k[=a] t[e^]d); p. pr. & vb. n. {Reciprocating}.] [L. reciprocatus, p. p. of reciprocare. See {Reciprocal}.] To move forward and… …   The Collaborative International Dictionary of English 
- reciprocating engine — any engine employing the rectilinear motion of one or more pistons in cylinders. Also called displacement engine, piston engine. [1815 25] * * * …   Universalium 
- reciprocating engine — noun any engine, especially an internal combustion engine, in which a crankshaft is turned by pistons moving up and down within cylinders Syn: piston engine …   Wiktionary 
- reciprocating engine — noun an internal combustion engine in which the crankshaft is turned by pistons moving up and down in cylinders • Hypernyms: ↑internal combustion engine, ↑ICE • Part Meronyms: ↑crankcase, ↑crankshaft, ↑engine block, ↑cylinder block, ↑ …   Useful english dictionary 
- reciprocating engine — noun Date: 1822 an engine in which the to and fro motion of one or more pistons is transformed into the rotary motion of a crankshaft …   New Collegiate Dictionary 
- reciprocating engine — noun a piston engine …   English new terms dictionary 
- reciprocating engine — recip′rocating en gine n. mac any engine employing the rectilinear motion of one or more pistons in cylinders • Etymology: 1815–25 …   From formal English to slang 
- reciprocating engine — /rəˌsɪprəkeɪtɪŋ ˈɛndʒən/ (say ruh.sipruhkayting enjuhn) noun an engine characterised by the movement of the pistons in the cylinders back and forth in a straight line …