WikiWord

English

piston

/ˈpɪstən/ · noun

Meaning

  1. A solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump)
  2. A valve device in some brass instruments for changing the pitch
  3. To move up and down or in and out like a piston.
  4. A surname.

Etymology / origin

Etymology tree French pistonbor. English piston Borrowed from French piston.

Related words

Descendant words

Sources

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