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tungsten

[tuhng-stuh n] /ˈtʌŋ stən/
noun, Chemistry
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.
Also called wolfram.
Origin of tungsten
1760-1770
1760-70; < Swedish, equivalent to tung heavy + sten stone
Related forms
tungstenic
[tuhng-sten-ik] /tʌŋˈstɛn ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for tungsten
Contemporary Examples
Historical Examples
  • The first tungsten lamps appeared on the market in 1906, but these contained fragile filaments made by the squirting process.

    Artificial Light M. Luckiesh
  • There are two styles in common use, the carbon and the tungsten lamp.

    Electricity for the farm Frederick Irving Anderson
  • How many candle power should a 20-watt tungsten lamp give if its efficiency is one watt per candle power?

    Physics Willis Eugene Tower
  • tungsten is a heavy metal, but its properties are not much known.

  • It's an eighteen-inch beam—and now the energy is just sufficient to heat that tungsten plate to bright red.

    The Ultimate Weapon John Wood Campbell
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
Word Origin
C18: from Swedish tung heavy + stenstone
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
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Word Origin and History for tungsten
n.

rare metallic element, 1796, from Swedish tungsten "calcium tungstate," coined by its discoverer, Swedish chemist Karl Wilhelm Scheele (1742-1786) from tung "heavy" + sten "stone." Used earlier as the name for calcium tungstate (1770). Atomic symbol W is from Latin wolframium, from German Wolfram "iron tungstate" (see wolfram).

Online Etymology Dictionary, © 2010 Douglas Harper
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tungsten in Medicine

tungsten tung·sten (tŭng'stən)
n.
Symbol W
A hard brittle corrosion-resistant metallic element having the highest melting point of any metal and used in high-temperature structural materials and in electrical elements, notably lamp filaments. Atomic number 74; atomic weight 183.85; 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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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tungsten in Science
tungsten
  (tŭng'stən)   
Symbol W
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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