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From Biology-Online Dictionary | Biology-Online Dictionary
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1. The act of reducing a drug to a fine powder and incorporating it thoroughly with sugar of milk by rubbing the two together in a mortar.

Synonym: tripsis.

2. Mixing of dental amalgam in a mortar and pestle or with a mechanical device.

Origin: L. Trituratio, fr. Trituro, to thresh, fr. Tero, pp. Tritus, to rub