tungsten

[ tuhng-stuhn ]

nounChemistry.
  1. a rare, metallic element having a bright-gray color, a metallic luster, and a high melting point, 3410° C, and found in wolframite, tungstite, and other minerals: used in alloys of high-speed cutting tools, electric-lamp filaments, etc. Symbol: W; atomic weight: 183.85; atomic number: 74; specific gravity: 19.3.

Origin of tungsten

1
1760–70; <Swedish, equivalent to tung heavy + sten stone

Other words from tungsten

  • tung·sten·ic [tuhng-sten-ik], /tʌŋˈstɛn ɪk/, adjective

Words Nearby tungsten

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How to use tungsten in a sentence

British Dictionary definitions for tungsten

tungsten

/ (ˈtʌŋstən) /


noun
  1. 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

Origin of tungsten

1
C18: from Swedish tung heavy + sten stone

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for tungsten

tungsten

[ tŭngstən ]


W
  1. A hard, gray to white metallic element that is very resistant to corrosion. It has the highest melting point of all elements, and it retains its strength at high temperatures. It is used to make light-bulb filaments and to increase the hardness and strength of steel. Atomic number 74; atomic weight 183.84; melting point 3,410°C; boiling point 5,900°C; specific gravity 19.3 (20°C); valence 2, 3, 4, 5, 6. Also called wolfram See Periodic Table.

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