Dictionary
lu•bri•cant
Pronunciation: (lOO'bri-kunt), [key]—
n.
a substance, as oil or grease, for lessening friction, esp. in the working parts of a mechanism.
—
adj.
capable of lubricating; used to lubricate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.