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: T T- T. Ta Tb Tc Td Te Th Ti Tj Tk Tl Tm Tn To Tp Tr Ts Tt Tu Tv Tw Tx Ty Tz
tung tree | tung-oil tree | tunga | tunga penetrans | tungstate | Tungsten | tungsten lamp | tungsten steel | tungstenic | tungstic | tungstic acid

Tungsten

RELATED WORDS :


 : 
Noun
 : 
tung=sten

CIDE DICTIONARY

Tungstenn. [Sw. tungsten (cf. Dan. tungsteen, G. tungstein); tung heavy (akin to Dan. tung, Icel. ) + sten stone. See Stone.].
  •  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]
  •  Scheelite, or calcium tungstate.  [1913 Webster]
Tungsten ocher, or Tungstic ocher (Min.), tungstite.

OXFORD DICTIONARY

Tungsten, n. Chem. a steel-grey dense metallic element with a very high melting-point, occurring naturally in scheelite and used for the filaments of electric lamps and for alloying steel etc.

Idiom
tungsten carbide a very hard black substance used in making dies and cutting tools.
Usage
Symb.: W.
Derivative
tungstate n. tungstic adj. tungstous adj.
Etymology
Sw. f. tung heavy + sten stone

For further exploring for "Tungsten" in Webster Dictionary Online


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