TRITURATION
Source: 566, 567
trituration. Trituration, n. a rubbing to powder, a thrashing
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Trit′u‐ra″tion (?), n. [[Cf. F. trituration, L. trituratio a thrashing of grain.]] The act of triturating, or reducing to a fine or impalpable powder by grinding, rubbing, bruising, etc. Paley.