tungsten carbide

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tungsten carbide

[′təŋ·stən ′kär‚bīd]
(inorganic chemistry)
WC A hard, gray powder; insoluble in water; readily attacked by nitric-hydrofluoric acid mixture; melts at 2780°C; used in tools, dies, ceramics, cermets, and wear-resistant mechanical parts, and as an abrasive.