|a fine very hard crystalline grey powder produced by heating tungsten and carbon to a very high temperature: used in the manufacture of drill bits, dies, etc. Symbol: WC; melting pt: 2870°C|
An inorganic carbon compound that forms a fine gray powder whose grains are dense and extremely hard. tungsten carbide is used in tools, dies, wear-resistant machine parts, and abrasives. Chemical formula: WC.