n. 1. The act of reducing to a fine powder or to small particles; pulverization; the state of being comminuted. Bentley. [ 1913 Webster ]

2. (Surg.) Fracture (of a bone) into a number of pieces. Dunglison. [ 1913 Webster ]

3. Gradual diminution by the removal of small particles at a time; a lessening; a wearing away. [ 1913 Webster ]

Natural and necessary comminution of our lives. Johnson. [ 1913 Webster ]