·add. ·noun Matter pulverized by attrition.
attrītus, a, um, P. a., v. attero. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
attrītus (adt-) adj.with comp.P. of attero, rubbed, worn away : ansa, V.: mentum paulo attritius.—...
An Elementary Latin Dictionary