tungstate - n.
Chem. a steel-grey dense metallic element with a very high melting-point, occurring naturally in scheelite and used for the filaments of electric lamps and for alloying steel etc.

Symb.: W.

tungsten carbide a very hard black substance used in making dies and cutting tools.

tungstate n. tungstic adj. tungstous adj. [Sw. f. tung heavy + sten stone]