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Carborundum

 
Dictionary: Car·bo·run·dum   (kär'bə-rŭn'dəm) pronunciation
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A trademark used for an abrasive of silicon carbide crystals.


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Britannica Concise Encyclopedia: Carborundum
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Trademark name of silicon carbide, an inorganic compound discovered in the 1880s by E.G. Acheson. Carborundum has a crystal structure like that of diamond and is almost as hard. It is used as an abrasive for cutting, grinding, and polishing, as an antislip additive, and as a refractory.

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WordNet: carborundum
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Note: click on a word meaning below to see its connections and related words.

The noun has one meaning:

Meaning #1: (trade mark) an abrasive composed of silicon carbide crystals

 
 

 

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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
Britannica Concise Encyclopedia. Britannica Concise Encyclopedia. © 2006 Encyclopædia Britannica, Inc. All rights reserved.  Read more
WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved.  Read more