Etymology

piston

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Today it means: 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) Full definition →

French piston
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The story

  1. French · borrowed frompiston
  2. French · borrowed frompiston
  3. English todaypiston

Borrowed from French piston.

Etymology from Wiktionary, CC BY-SA 4.0.