triturate

v. t. [ imp. & p. p. Triturated p. pr. & vb. n. Triturating. ] [ L. trituratus, p. p. of triturate to thrash (grain), fr. terere, tritum, to rub, rub to pieces. See Trite. ] 1. To rub, grind, bruise, or thrash. [ 1913 Webster ]

2. To rub or grind to a very fine or impalpable powder; to pulverize and comminute thoroughly. [ 1913 Webster ]