1) Atomic number 74 2) Chemical element 3) Element discovered in 1783 4) Element in light bulbs 5) Element number 74 6) Element with the symbol W 7) Filament element 8) Filament material 9) Lamp filament element 10) Light bulb filament metal 11) Lightbulb filament metal 12) Metal 13) Metallic element
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1) Metal 2) Wolfram
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Tungsten, also known as wolfram, is a chemical element with the chemical symbol W and atomic number 74. The word tungsten comes from the Swedish language tung sten directly translatable to heavy stone, though the name is volfram in Swedish to distinguish it from Scheelite, which in Swedish is alternatively named tungsten. A hard, rare metal under ...
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http://en.wikipedia.org/wiki/Tungsten
[Cantung] Tungsten (Cantung) Airport {Airport codes|TNS|||CBX5} is located near Tungsten, Northwest Territories, Canada. Prior permission is required to land except in the case of an emergency. ...
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[music] A Tungsten or Tungs-Tone is a type of phonograph stylus. They are constructed from tungsten wire, which is held in a metal shank. Unlike a steel stylus, a tungsten stylus has a cylindrical rather than a conical shape, meaning that the cross-section of the stylus remains the same as the stylus wears down, which in turn means that tun...
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• (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 ...
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(from the article `Vallejo, César`) Vallejo was expelled from Paris in 1930 as a political militant and went to Madrid. There he wrote the proletarian novel El tungsteno (1931; ...
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chemical element, an exceptionally strong refractory metal of Group VIb of the periodic table, used in steels to increase hardness and strength and ... [9 related articles]
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(W) A hard, brittle, corrosion-resistant, silvery-gray metallic element that has the highest melting point of any metal and the second highest of any element (after carbon; it also has the lowest vapor pressure of any metal. It is a transition element in group VIB of the pe...
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1. <chemistry, element> 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. ... 2 <chemical> Scheelite, or...
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(W) (tung´stәn) a chemical element, atomic number 74, atomic weight 183.85.
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(W) Type: Term Pronunciation: tŭng′stĕn Definitions: 1. A metallic element, atomic no. 74, atomic wt. 183.85. Synonyms: wolfram, wolframium
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Tungsten (previously also known as wolfram and scheelium) is a grey-white, heavy, high-melting, ductile, hard, polyvalent metallic element that resembles chromium and molybdenum in most of it's properties and is used especially for electrical purposes and in hardening steel. It has the symbol W. Tungsten was first obtained in tungstic acid by Schee...
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It is a chemical element, a grey metal which has a very high melting point, Filaments in electric light bulbs are made from tungsten.
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[
n] - a heavy gray-white metallic element
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http://www.webdictionary.co.uk/definition.php?query=tungsten
Chemical symbol W. Element No. 74 of the periodic system; atomic weight 183.92. Gray metal of high tensile strength, ductile and malleable when specially handled. It is immune to atmospheric influences and most acids, but not to strong alkalis. The metal is used as filament and in thin sheet form in incandescent bulbs and radio tubes. (1) Forms har...
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Adds strength, toughness, and improves hardenability.
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Tungsten metal is lustrous and silvery white in colour, and does not occur naturally (it has an abundance of 1 ppm in the earth`s crust). It is found in the ore Wolframite, a tungstate of iron and manganese, (FeMn)WO
4, which is converted to the trioxide and then reduced to the metal by reduction in hydrogen (carbon cannot be used as the ...
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A hard, brittle, corrosion-resistant, gray to white metallic element commonly used in pure or alloy form in high-temperature structural materials, such as lamp and valve filaments.
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wolfram 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
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Hard, heavy, grey-white, metallic element, atomic number 74, relative atomic mass 183.85. Its chemical symbol comes from the German
Wolfram. It occurs in the minerals wolframite, scheelite, and hubertite. It has the highest melting point of any metal (3,410°C/6,170°F) and is added to steel to make it harder, str...
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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; at. wt.: 183.85; at. no.: 74; sp. gr.: 19.3. Also called
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Gray metal with high tensile strength. It is ductile, malleable, and resistant to atmospheric elements and all acids except strong alkalies.
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Chemical symbol W. Element No. 74 of the periodic system; atomic weight 183.92. Gray metal of high tensile strength, ductile and malleable when specially handled. It is immune to atmospheric influences and most acids, but not to strong alkalis. The metal is used as filament and in thin sheet form in incandescent bulbs and radio tubes.
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