Lexic.us

Definition of Piston

1. Noun. United States neoclassical composer (1894-1976).

2. Noun. Mechanical device that has a plunging or thrusting motion.

Definition of Piston

1. n. 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.

Definition of Piston

1. a part of an engine [n -S]

Medical Definition of Piston

1. 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, 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. Origin: F. Piston; cf. It. Pistone piston, also pestone a large pestle; all fr. L. Pinsere, pistum, to pound, to stamp. See Pestle, Pistil. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Piston

pistoleers pistolero pistoleros pistoles pistolet pistolets pistolier pistoliers pistoling pistolled

pistolling pistols pistol grip pistol shrimp piston (current term) piston (current term) pistons piston chamber piston pulse piston ring

piston rod pistou pistous Pisum Pisum arvense Pisum sativum Pisum sativum arvense Pisum sativum macrocarpon pis aller pit

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