corundum corundum  /kə ˈrən dəm/


  • (n) very hard mineral used as an abrasive


  1. Dov Gruner, 33, a Jew with a bullet-crushed jaw and the corundum-hard eyes of an Irgun Zvai Leumi triggerman, stood before a Jerusalem Military Court.
  2. Founded in 1902 to mine corundum for use in abrasive wheels, 3M struggled into the manufacture of sandpaper and then into masking tape.

Wiki Images for corundum

definition of corundum
meaning of corundum
Word of the Day
profusion profusion
/prə ˈfju ʒən /