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Hafnium
//ˈhæfniəm// noun
Definitions
Noun
- 1 A chemical element (symbol Hf) with an atomic number of 72: a lustrous, silvery-grey tetravalent transition metal. uncountable
- 2 a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons wordnet
Etymology
From Latin Hafnia (“Copenhagen”) + -ium.
See also for "hafnium"
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