tungsten

1. n. 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. Source: opted

2. n. Scheelite, or calcium tungstate. Source: opted

3. n. 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 Source: wordnet

4. 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. Source: webster

5. A rare element of the chromium group found in certain minerals,as wolfram and scheelite, and isolated as a heavy steel-gray metalwhich is very hard and infusible. It has both acid and basicproperties. When alloyed in small quantities with steel, it greatlyincreases its hardness. Symbol W (Wolframium). Atomic weight, 183.6.Specific gravity, 18. Source: adambom

6. n:100 n. 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 Source: ecdict

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