Carborundum

Car`bo*run"dum

(kr`b*rn"dm), [a trade name, from Carbon + corundum.] A beautiful crystalline compound, silicon carbide (SiC), consisting of carbon and silicon in combination; -- also called carbon silicide. It is made by heating carbon and sand together in an electric furnace. The commercial article is dark-colored and iridescent. It is harder than emery, and is used as an abrasive.
[Webster 1913 Suppl.]

{

carborundum cloth

or

carborundum paper

}. Cloth or paper covered with powdered carborundum; -- a foprm of sandpaper.
[Webster 1913 Suppl. +PJC]

 

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