a lovely crystalline element silicon carbide SiC consisting of carbon and silicon in combination also referred to as carbon silicide it really is produced by heating carbon and sand together in a power furnace The commercial article is dark-colored and iridescent It is more difficult than emery and is utilized as an abrasive
- an abrasive composed of silicon carbide crystals
silicon carbide utilized as an abrasive, (reg. trademark U.S. Summer 21, 1892, by Carborundum Co. of Monongahela City, Pa.), from carbon + corundum.
Acheson, in 1896, patented an application of his, carborundum process to graphite manufacture, and in 1899 the International Acheson Graphite Co.