carborundum carborundum  /ˌkɑr bə ˈrən dəm/


  • (n) an abrasive composed of silicon carbide crystals


  1. At the safe, his two companions worked with a carborundum wheel, cooled it with cartons of milk.
  2. In their spare time they also make defense gadgets out of carborundum.
  3. With the ease of the old-fashioned carborundum crystal, it can change alternating current to direct; and like a vacuum tube, it can amplify faint, fluctuating currents.


  • Elton’s Work Comes Out Of The Closet

    Freddi Elton used to do carborundum printmaking. ( Carborundum is the stuff of sandpaper.) Then the fates and a heart valve problem intervened and suggested: How about using a method that requires less heavy physical labor?
    on January 9, 2014     Source: New Haven Independent

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