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tung•sten



Pronunciation: (tung'stun), [key]
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-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.

tungstatetungsten lamp
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