Piston Meaning

/ˈpɪstən/
B2

Definition, CEFR level B2, pronunciation, examples, and quiz.

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nounA 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)

nounA valve device in some brass instruments for changing the pitch

This shaft links with a piston.
The piston does not come into contact with the cylinder cover.
Synonyms:
Antonyms:
None
CEFR Practice Quiz
The metal ____ slides inside the cylinder to create pressure.
CEFR Practice Quiz (Alternate)
The engine's ____ moved up and down rapidly, converting the fuel's energy into mechanical power.

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

"The Latino warrior fucked like a man possessed. His lean hips powered the pistoning rod in short, vicious jabs, so rapidly that the shit-streaked cock was a blur as it pounded Captain Randall's butthole, churning the screaming soldier's ass-juices, rectal blood, and smashed turds into a slimy froth." — 1991, Etienne, “In Enemy Hands”, in Drummer, number 151, page 32:

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CEFR Practice Quiz
The metal ____ slides inside the cylinder to create pressure.
CEFR Practice Quiz (Alternate)
The engine's ____ moved up and down rapidly, converting the fuel's energy into mechanical power.

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