meaning of tungsten

1. 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.
Scheelite, or calcium tungstate.
3.
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


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tungsten | tungsten steel | tungstenic |

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