tungsten

Definition of Tungsten in English :

Noun

1. atomic number 74, tungsten, w, wolfram

a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite

WordNet Lexical Database for English. Princeton University. 2010.

Tungsten

see synonyms of tungsten

noun

a hard malleable ductile greyish-white element. It occurs principally in wolframite and scheelite and is used in lamp filaments, electrical contact points, X-ray targets, and, alloyed with steel, in high-speed cutting tools. Symbol: W; atomic no: 74; atomic wt: 183.85; valency: 2–6; relative density: 19.3; melting pt: 3422±20°C; boiling pt: 5555°C

. Also called: wolfram

Tungsten

see synonyms of tungsten

noun

a hard, heavy, gray-white, metallic chemical element, found in wolframite, scheelite, tungstite, etc., and used in steel for high-speed tools, in electric contact points and lamp filaments, etc.: symbol, W; at. no., 74

see the periodic table of elements in the Reference Supplement

Tungsten

see synonyms of tungsten

n. Symbol W

A hard, brittle, corrosion-resistant, gray to white metallic element extracted from wolframite, scheelite, and other minerals, having the highest melting point and lowest vapor pressure of any metal. Tungsten and its alloys are used in high-temperature structural materials and wear-resistant tools and machine parts; in electrical elements, notably lamp filaments; and in instruments requiring thermally compatible glass-to-metal seals. Atomic number 74; atomic weight 183.84; melting point 3,422°C; boiling point 5,555°C; specific gravity 19.3 (20°C); valence 2, 3, 4, 5, 6. Also called wolfram. See Periodic Table.

Tungsten

Noun

Tungsten

Tungsten

Tungsten

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