tungsten

Medical Dictionary

tungsten tung·sten (tŭng'stən)
n.
Symbol W
A hard brittle corrosion-resistant metallic element having the highest melting point of any metal and used in high-temperature structural materials and in electrical elements, notably lamp filaments. Atomic number 74; atomic weight 183.85; melting point 3,422°C; boiling point 5,555°C; specific gravity 19.3 (20°C); valence 2, 3, 4, 5, 6. Also called wolfram.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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