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carborundum

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carborundum


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Carborundum  \Car`bo*run"dum\,  [Carbon  +  corundum.] 
  A  beautiful  crystalline  compound,  {SiC},  consisting  of  carbon 
  and  silicon  in  combination;  carbon  silicide.  It  is  made  by 
  heating  carbon  and  sand  together  in  an  electric  furnace.  The 
  commercial  article  is  dark-colored  and  iridescent.  It  is 
  harder  than  emery,  and  is  used  as  an  abrasive. 
 
  From  WordNet  r  1.6  [wn]: 
 
  carborundum 
  n  :  (trade  mark)  an  abrasive  composed  of  silicon  carbide 
  crystals 




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