tung⋅sten
   [tuhng-stuhn]

–noun Chemistry.
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; atomic weight: 183.85; atomic number: 74; specific gravity: 19.3.

aslo called Wolfram


wolf⋅ram  [wool-fruhm, vawl-]

–noun
a mineral, iron manganese tungstate, (Fe,Mn)WO4, occurring in heavy grayish-black to brownish-black tabular or bladed crystals: an important ore of tungsten.

same as Wolframite

wolf·ram·ite   [wool-fruh-mahyt, vawl-]

–noun
a mineral, iron manganese tungstate, (Fe,Mn)WO4, occurring in heavy grayish-black to brownish-black tabular or bladed crystals: an important ore of tungsten.

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