n. Anything to prevent the effects of friction, esp. a compound lubricant for machinery, etc., often consisting of plumbago, with some greasy material; antifriction grease. [ 1913 Webster ]
a. [ L. attritus, p. p. of atterere; ad + terere to rub. See Trite. ]
n. [ L. attritio: cf. F. attrition. ]
Effected by attrition of the inward stomach. Arbuthnot. [ 1913 Webster ]
adj.
n. [ L. attritus, p. p. of atterere; ad + terere to rub. ] Matter pulverized by attrition. [ Webster 1913 Suppl. ]