Carborundum

American  

[kahr-buh-ruhn-duhm] / ˌkɑr bəˈrʌn dəm /

Trademark.

1. a form of manufactured silicon carbide used industrially as an abrasive and refractory.

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Carborundum British  

/ ˌkɑːbəˈrʌndəm /

noun

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

   2. ( as modifier )

      a Carborundum wheel

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Example Sentences

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

If the dissident slate is elected, it is committed to make the proceeds of a Carborundum sale available to Kennecott stockholders.

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

Carborundum is a crystalline silicon carbide formed in the electric furnace.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)