глагол растирать в порошок
вещество, измельченное в порошок; измельчать в порошок
I. transitive verb (-rated; -rating) Etymology: Late Latin trituratus, past participle of triturare to thresh, from Latin tritura act of rubbing, threshing, from tritus, past participle — more at trite 1. crush, grind 2. to pulverize and comminute thoroughly by rubbing or grinding • triturable adjective • triturator noun II. noun a triturated substance; trituration 2