abradant,a.andn.U.S.|əˈbreɪdənt| [f. abrade v. + -ant1.] A.adj.= abrading ppl. a. (Cent.Dict. 1889). B.n. An abradant substance. a1877Knight Dict.Mech. 247/1 Bath-brick, a fine silicious material, found in the vicinity of Bath, England, compacted into the form of bricks, and used as an abradant.