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Carborundum

American  
[kahr-buh-ruhn-duhm] / ˌkɑr bəˈrʌn dəm /
Trademark.
  1. a form of manufactured silicon carbide used industrially as an abrasive and refractory.


Carborundum British  
/ ˌkɑːbəˈrʌndəm /

noun

    1. any of various abrasive materials, esp one consisting of silicon carbide

    2. ( as modifier )

      a Carborundum wheel

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Carborundum is silicon carbide, SiC, a very hard material used as an abrasive on sandpaper and in other applications.

From Textbooks • Feb. 14, 2019

When Carborundum rejected that offer, a furious auction began that finally concluded early last week in the Manhattan offices of Morgan Stanley & Co., which represented Carborundum.

From Time Magazine Archive

Instead, Chairman Milliken, apparently fearing an unfriendly takeover attempt, paid $66 a share for Carborundum.

From Time Magazine Archive

It was also a notable coup for the patrician Mellon family of Pittsburgh, which has for decades owned a large block of Carborundum stock.

From Time Magazine Archive

Carborundum tubes are also used as outside protection to other tubes.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)