n. 钨

[化] 钨W

[医] 钨(74号元素)

[经] 钨

[ noun ]
a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite
<noun.substance>

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.