D defs.my
Entry 3 senses Webster, 1913

Comminution

· Com·mi·nu·tion · IPA /ˌkɑməˈn(j)uʃən/
01 n. The act of reducing to a fine powder or to small particles; pulverization; the state of being comminuted.
  1. 1.
    The act of reducing to a fine powder or to small particles; pulverization; the state of being comminuted.
  2. 2.
    Fracture (of a bone) into a number of pieces.(Surg.)
  3. 3.
    Gradual diminution by the removal of small particles at a time; a lessening; a wearing away.
    “Natural and necessary comminution of our lives.” Johnson.