🇬🇧 en fi 🇫🇮

piston noun

  /ˈpɪstən/
  • (mechanics) 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)
 mäntä
  • (music) A valve device in some brass instruments for changing the pitch
 työntöventtiili, venttiili
piston engine
mäntämoottori
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