carborundum :

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carborundum

kor buh ruhn duhm

  • n  an abrasive composed of silicon carbide crystals

  • At the safe, his two companions worked with a carborundum wheel, cooled it with cartons of milk.
  • In their spare time they also make defense gadgets out of carborundum.
  • 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.
News & Articles

  • 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?
    Jan. 8, 2014 - New Haven Independent

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