TUNGSTEN

tungsten, wolfram, atomic number

(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

Source: WordNet® 3.1

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Etymology

Noun

tungsten (countable and uncountable, plural tungstens)

A rare metallic chemical element (symbol W, from Latin wolframium) with an atomic number of 74.

A light bulb containing tungsten.

(mineral, obsolete) scheelite, calcium tungstate

Synonyms

• wolfram

Source: Wiktionary

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Tung"sten n. Etym: [Sw. tungsten (cf. Dan. tungsteen, G. tungstein); tung heavy (akin to Dan. tung, Icel. þungr) + sten stone. See Stone.]

1. (Chem.)

Definition: 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.)

Definition: Scheelite, or calcium tungstate. [Obs.] Tungsten ocher, or Tungstic ocher (Min.), tungstate.

Source: Webster’s Unabridged Dictionary 1913 Edition

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