Tungstate
noun, Chemistry.
1.
a salt of any tungstic acid.
noun
1.
a salt of tungstic acid
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noun, Chemistry. 1. a rare, metallic element having a bright-gray color, a metallic luster, and a high melting point, 3410° C, and found in wolframite, tungstite, and other minerals: used in alloys of high-speed cutting tools, electric-lamp filaments, etc. Symbol: W; atomic weight: 183.85; atomic number: 74; specific gravity: 19.3. noun 1. a hard malleable […]
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noun 1. a very hard, black or gray compound of tungsten and carbon, used in the manufacture of cutting and abrasion tools, dies, and wear-resistant machine parts. tungsten carbide noun 1. a fine very hard crystalline grey powder produced by heating tungsten and carbon to a very high temperature: used in the manufacture of drill […]
- Tungsten-lamp
noun 1. an incandescent electric lamp in which the filament is made of tungsten. tungsten lamp noun 1. a lamp in which light is produced by a tungsten filament heated to incandescence by an electric current. The glass bulb enclosing the filament contains a low pressure of inert gas, usually argon. Sometimes small amounts of […]
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noun 1. a film-speed rating that indicates the relative sensitivity of a particular film stock to light from incandescent lamps with tungsten filaments.
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noun 1. an alloy steel containing tungsten. tungsten steel noun 1. any of various hard steels containing tungsten (1–20 per cent) and traces of carbon. They are resistant to wear at high temperatures and are used in tools