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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

For Carborundum stockholders and some arbitragers like Goldman, Sachs and Salomon Bros., it was a satisfying deal, to say the least.

From Time Magazine Archive

"You grew up on it," explained an accompanying note from the elder Hartmann, a patent attorney in Beverly Hills, Calif., and former chemist who once directed research for the Carborundum Co.

From Time Magazine Archive

He said that Kennecott paid too much for Carborundum and that the copper company should have spent the money for improvement of its antiquated copper mines or distributed it to the shareholders.

From Time Magazine Archive

Carborundum is used as an abrasive, that is, as a material for grinding and polishing very hard substances.

From An Elementary Study of Chemistry by McPherson, William

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