[1] : The Collaborative International Dictionary of English v.0.48

tungsten \tung"sten\ tu^ng"ste^n, n. sw. tungsten cf.
   dan. tungsteen, g. tungstein; tung heavy akin to dan. tung,
   icel. thornungr + sten stone. see stone.
   1. chem. a rare element of the chromium group found in
      certain minerals, as wolfram and scheelite, and isolated
      as a heavy steel-gray metal which is very hard and
      infusible. it has both acid and basic properties. when
      alloyed in small quantities with steel, it greatly
      increases its hardness. symbol w wolframium. atomic
      weight, 183.6. specific gravity, 18.
      1913 webster

   2. min. scheelite, or calcium tungstate. obs.
      1913 webster

   tungsten ocher, or tungstic ocher min., tungstite.
      1913 webster
see also:
stone tungsten ocher tungstic ocher 

[2] : WordNet (r) 2.0

tungsten
     n : a heavy gray-white metallic element; the pure form is used
         mainly in electrical applications; it is found in several
         ores including wolframite and scheelite syn: wolfram,
         w, atomic number 74
see also:
wolfram w atomic number 74 

[3] : Elements database 20001107

tungsten
symbol: w
atomic number: 74
atomic weight: 183.85
white or grey metallic transition element, formerly called wolfram.
forms a protective oxide in air and can be oxidized at high temperature.
first isolated by jose and fausto de elhuyer in 1783.


see also:
wolfram 

Tungsten >> T Words
Tungsten, definition of term: Tungsten
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