hafnium

hafnium definition - medical

haf·ni·um (hăfˈnē-əm)

noun Symbol Hf
A metallic element found with zirconium and used in nuclear reactor control rods and in tungsten alloys used in filaments. Atomic number 72.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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