1. reduced to minute particles or fragments: technical"finely comminuted and amorphous materials"
▪ (of a fracture) producing multiple bone splinters:technical"a grossly comminuted humeral fracture"
Word Originearly 17th century: past participle of comminute, from Latin comminut- ‘broken into pieces’, from the verb comminuere, from com- ‘together’ + minuere ‘lessen’.