About The Word Piston

Bay Area Crosswords

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Piston

Piston Meaning & Definition
Piston Definition And Meaning

What's The Definition Of Piston?

[n] mechanical device that has a plunging or thrusting motion
[n] United States neoclassical composer (1894-1976)

Synonyms | Synonyms for Piston: plunger | Walter Piston

Related Terms | Find terms related to Piston:

See Also | composer | mechanical device | piston ring | piston rod | reciprocating engine

Piston In Webster's Dictionary

\Pis"ton\, n. [F. piston; cf. It. pistone piston, also pestone a large pestle; all fr. L. pinsere, pistum, to pound, to stamp. See {Pestle}, {Pistil}.] (Mach.) A sliding piece which either is moved by, or moves against, fluid pressure. It usually consists of a short cylinder fitting within a cylindrical vessel along which it moves, back and forth. It is used in steam engines to receive motion from the steam, and in pumps to transmit motion to a fluid; also for other purposes. {Piston head} (Steam Eng.), that part of a piston which is made fast to the piston rod. {Piston rod}, a rod by which a piston is moved, or by which it communicates motion. {Piston valve} (Steam Eng.), a slide valve, consisting of a piston, or connected pistons, working in a cylindrical case which is provided with ports that are traversed by the valve.

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