擂らい潰かい

noun

grinding; trituration

Technical term for grinding or pulverizing a substance into fine particles, often in pharmaceutical, chemical, or industrial contexts. Rare in general use.

• 薬やく剤ざいの擂らい潰かいには乳にゅう鉢ばちと乳にゅう棒ぼうを用もちいる。

  A mortar and pestle are used for trituration of medicines.