/trich'euh ray"sheuhn/ , n.
1. the act of triturating.
2. the state of being triturated.
3. Pharm.
a. a mixture of a medicinal substance with sugar of milk, triturated to an impalpable powder.
b. any triturated substance.
[ 1640-50; trituration- (s. of trituratio ), equiv. to triturat ( us ) threshed (see TRITURATE) + -ion -ION ]