Толковый словарь английского языка Oxford English Reference - tungsten
Tungsten
tungsten
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. Usage Symb.: W. Phrases and idioms tungsten carbide a very hard black substance used in making dies and cutting tools. Derivatives tungstate n. tungstic adj. tungstous adj. Etymology: Sw. f. tung heavy + sten stone
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noun Etymology: Swedish, from tung heavy + sten stone Date: 1796 a gray-white heavy high-melting ductile hard polyvalent metallic element that resembles chromium and molybdenum in many of its properties and is used especially in carbide materials and electrical components (as lamp filaments) and in hardening alloys (as steel) ...Толковый словарь английского языка
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