Pronunciation: (tung'stun), [key] 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; at. wt.: 183.85; at.
no.: 74; sp. gr.: 19.3. Also called wolfram. Random House
Unabridged Dictionary, Copyright © 1997, by Random House, Inc.,
on Infoplease.