WordNet (r) 3.0 (2006):
powderize v 1: become powder or dust; "When it was blown up, the building powderized" [syn: powderize, pulverize, pulverise, powderise] 2: make into a powder by breaking up or cause to become dust; "pulverize the grains" [syn: powderize, powderise, powder, pulverize, pulverise]