carborundum


carborundum

Trademark.

  1. any of various abrasives or refractories of silicon carbide, fused alumina, and other materials.

noun

  1. trademark
    1. any of various abrasive materials, esp one consisting of silicon carbide
    2. (as modifier)a Carborundum wheel
n.

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

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