Trituration
Pronunciation : Trit`u*ra"tion
Part of Speech : n.
Etymology : [Cf. F. trituration, L. trituratio a thrashing of grain.]
Definition : Defn: The act of triturating, or reducing to a fine or impalpable powder by grinding, rubbing, bruising, etc. Paley.
Source : Webster's Unabridged Dictionary, 1913