Carborundum

[ kahr-buh-ruhn-duh m ]

/ ˌkɑr bəˈrʌn dəm /

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

Example sentences from the Web for carborundum

In general, only a little grinding will be required, and one small pinch of carborundum or emery will be ample.

Laboratory Manual of Glass-Blowing |Francis C. Frary
You will notice that the electrical energy expended in this establishment is double that used in the manufacture of carborundum.

Electricity and Magnetism |Elisha Gray
Of all the bodies tried there were two which withstood best—diamond and carborundum.

The inventions, researches and writings of Nikola Tesla |Thomas Commerford Martin
Grind with emery or carborundum, as described under a previous head.

Laboratory Manual of Glass-Blowing |Francis C. Frary

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

Introducing the American Spirit |Edward A. Steiner

Carborundum

/ (ˌkɑːbəˈrʌndəm) /

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