|
Tungsten - Dictionary Definition and Overview |
|
Tungsten : (noun)
1: 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]
Based on WordNet 2.0
|
|
Tungsten : \Tung"sten\, n. [Sw. tungsten (cf. Dan. tungsteen, G.
tungstein); tung heavy (akin to Dan. tung, Icel. [thorn]ungr)
_ 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.
2. (Min.) Scheelite, or calcium tungstate. [Obs.]
Tungsten ocher, or Tungstic ocher (Min.), tungstate.
Based on Webster's Revised Unabridged Dictionary
|
|
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.
Based on Webster's Revised Unabridged Dictionary (1913)
|
|
|
|
Example Usage of Tungsten |
 |
wbandoy: Check out this black Tungsten Lord of the Rings (wedding) band. My precious! http://bit.ly/4LI52P If I put it on, will I disappear? *gollum* |
 |
HomeShopping247: Check out post: 9MM BLACK Tungsten FREEMASON MASONIC RINGS SIZES 5-15 http://bit.ly/89fyS2 #gold #jewelry |
 |
merikonjatta: Tungsten Replicatorとな |
|
