piston engine
noun1
Any of several types of engine having cylinders containing reciprocating pistons, in which a crankshaft is turned by pistons moving up and down within cylinders; many internal combustion engines and many steam engines have such a mechanism.
- Synonyms
- reciprocating engine
- Hyponyms
- gas engine, steam engine, Stirling engine
- Coordinate terms
- gas turbine, internal-combustion engine, internal combustion engine, jet engine, rotary engine, steam turbine, turbine