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Carborundum

[kahr-buh-ruhn-duh m]
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Trademark.
  1. any of various abrasives or refractories of silicon carbide, fused alumina, and other materials.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for carborundum

Historical Examples

  • Other materials on paper or cloth are also used, as carborundum, emery, and so on.

    Handwork in Wood

    William Noyes

  • The carborundum brick was selected on account of its hardness.

    Concrete Construction

    Halbert P. Gillette

  • This detector consists simply of a crystal of carborundum supported between two brass points.

  • I started out with school teaching, then I got hold of a good thing in the way of Carborundum and made grindstones.

  • Grind with emery or carborundum, as described under a previous head.


British Dictionary definitions for carborundum

Carborundum

noun
  1. trademark
    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

Word Origin and History for carborundum

Carborundum

n.

silicon carbide used as an abrasive, (reg. trademark U.S. June 21, 1892, by Carborundum Co. of Monongahela City, Pa.), from carbon + corundum.

Online Etymology Dictionary, © 2010 Douglas Harper