|  Share | Cite


pis'ton ring"

a metallic ring, usually one of a series, and split so as to be expansible, placed around a piston in order to maintain a tight fit, as inside the cylinder of an engine. Also called packing ring, ring.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

pistonpiston rod
See also:


Related Content