piston engine
/ˈpɪstən ˈɛndʒɪn/ · pis·ton en·gine
noun
- 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. The car's piston engine was designed for high performance and efficiency.
- A type of internal combustion engine that uses a piston to drive a crankshaft. The piston engine in the old motorcycle was still running smoothly after years of use.
Synonyms
Did you know? Piston engines are widely used in vehicles, including cars, motorcycles, and airplanes, due to their high power-to-weight ratio and efficiency.