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hafnium: Meaning and Definition of

haf•ni•um

Pronunciation: (haf'nē-um, häf'-), [key]
— n. Chem.
  1. a gray, toxic metallic element with a high melting point (over 2000°C), found in most zirconium minerals. Symbol: Hf; at. wt.: 178.49; at. no.: 72; sp. gr.: 12.1.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
hafiz haft
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