As a noun piston
is 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.
As a verb piston
is {{cx|intransitive|lang=en}} To move up and down like a piston.
As a proper noun Piston
is {{surname|lang=en}.
As an adjective pistonlike is
resembling a piston or some aspect of one.
piston
Noun
(
en noun)
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)
(music) A valve device in some brass instruments for changing the pitch
Derived terms
* piston rod
* piston ring
* pistoning
Verb
(
en verb)
To move up and down like a piston.
Anagrams
*
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