Tungsten

Tungsten
Tungsten Tung"sten, n. [Sw. tungsten (cf. Dan. tungsteen, G. tungstein); tung heavy (akin to Dan. tung, Icel. [thorn]ungr) + sten stone. See {Stone}.] 1. (Chem.) 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. [1913 Webster]

2. (Min.) Scheelite, or calcium tungstate. [Obs.] [1913 Webster]

{Tungsten ocher}, or {Tungstic ocher} (Min.), tungstate. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Tungsten — (pronEng|ˈtʌŋstən), also known as wolfram (IPA|/ˈwʊlfrəm/), is a chemical element that has the symbol W and atomic number 74.A steel gray metal, tungsten is found in several ores, including wolframite and scheelite. It is remarkable for its… …   Wikipedia

  • tungsten — TÚNGSTEN s.n. (chim.) Wolfram. – Din fr. tungstène. Trimis de ana zecheru, 13.09.2007. Sursa: DEX 98  TÚNGSTEN s. v. wolfram. Trimis de siveco, 13.09.2007. Sursa: Sinonime  túngsten s. n. (sil. tung ) Tr …   Dicționar Român

  • tungsten — rare metallic element, 1796, from Swed. tungsten calcium tungstate, coined by its discoverer, Swedish chemist Karl Wilhelm Scheele (1742 1786) from tung heavy + sten stone. Used earlier as the name for calcium tungstate (1770). Atomic symbol W is …   Etymology dictionary

  • tungsten — tùngsten m DEFINICIJA kem. naziv za volfram (u anglosaskoj jezičnoj praksi) ETIMOLOGIJA engl. tungsten …   Hrvatski jezični portal

  • tungsten — Symbol: W Atomic number: 74 Atomic weight: 183.85 White or grey metallic transition element, formerly called wolfram. Forms a protective oxide in air and can be oxidized at high temperature. First isolated by Jose and Fausto de Elhuyer in 1783 …   Elements of periodic system

  • tungsten — ► NOUN ▪ a hard steel grey metallic element with a very high melting point, used to make electric light filaments. ORIGIN Swedish, from tung heavy + sten stone …   English terms dictionary

  • tungsten — [tuŋ′stən] n. [Swed, lit., heavy stone, orig. name for scheelite, coined (1755) by A. F. Cronstedt (see NICKEL) < tung, heavy (< IE * tṇghu < base * ten , to pull > THIN) + sten, akin to OE stan, STONE; used (1783) for element… …   English World dictionary

  • tungsten — tungstenic /tung sten ik/, adj. /tung steuhn/, n. Chem. 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… …   Universalium

  • Tungsten — Der Begriff Tungsten (schwedisch harter Stein) wird für Folgendes verwendet: Modell Serie von Palm, einer Firma für tragbare Computer, siehe Tungsten (PDA) eine Gemeinde im kanadischen Territorium Nordwest Territorien, siehe Tungsten (Nordwest… …   Deutsch Wikipedia

  • Tungsten — Tụngs|ten 〈m.; s; unz.〉 = Wolfram [<engl. <schwed. tungsten „Wolfram“ <tung „schwer“ + sten „Stein“] * * * Tung|sten [schwed. tung = schwer, fest u. sten = Stein]: im angloamer., frz. u. romanischen Sprachbereich üblicher Name für ↑… …   Universal-Lexikon

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