see also: Piston
Pronunciation Noun

piston (plural pistons)

  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. (music) A valve device in some brass instruments for changing the pitch
Translations Translations
  • French: piston
  • German: Pumpventil, Perinetventil
  • Russian: писто́н
  • German: Piston, Zündhütchenträger

piston (pistons, present participle pistoning; past and past participle pistoned)

  1. (intransitive) To move up and down like a piston.

Proper noun
  1. Surname

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