trituration

Meanings

1. 1
   noun

   the act or process of crushing, rubbing, or grinding a substance into fine particles

   The pale edges of the mark suggested trituration against a rough surface.

2. 2
   noun

   a medicinal or dental preparation produced by grinding and thoroughly mixing a substance, often with a diluent

   The pharmacist prepared a trituration of the active drug with lactose to distribute the dose evenly.

From Late Latin trituratio, 'a threshing or grinding,' from triturare, 'to thresh or rub down,' based on Latin tritura, 'threshing.' The technical senses preserve the physical idea of wearing or reducing material through repeated friction.

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