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
Origin of tungstenSwed, literally , heavy stone, origin, originally name for scheelite, coined (1755) by A. F. Cronstedt (see nickel) ; from tung, heavy (; from Indo-European an unverified form t?ghu- ; from base an unverified form ten-, to pull from source thin) + sten, akin to Old English stan, stone
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.
Origin of tungstenSwedish : tung, heavy (from Old Norse thungr) + sten, stone (from Old Norse steinn; see stai- in Indo-European roots).
(countable and uncountable, plural tungstens)