Meaning Of The Word Piston ring

Real Dictionary
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Piston ring Meaning

Piston ring Definition
Piston ring Definition

What's The Definition Of Piston ring?

piston ring in Automotive Engineering
noun: A piston ring is one of the rings, made of hard, springy material, that are part of a piston in an internal combustion engine.

piston ring in British English
a metallic ring, usually one of a series, and split so as to be expansible, placed around a piston in order to maintain a tight fit, as inside the cylinder of an engine
a thin split ring fitted into a groove around a piston to seal the cylinder, transfer heat, and control cylinder-wall lubrication
noun: a split ring, usually made of cast iron, that fits into a groove on the rim of a piston to provide a spring-loaded seal against the cylinder wall

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