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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
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
Tung"sten n. Etym: [Sw. tungsten (cf. Dan. tungsteen, G. tungstein); tung heavy (akin to Dan. tung, Icel. Ăľungr) + 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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Word of the Day
26 June 2024
INCORPORATE
(verb) include or contain; have as a component; “A totally new idea is comprised in this paper”; “The record contains many old songs from the 1930’s”
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