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The definition :
Definitions of
Hf
:
noun
:
3 to 30
megahertz
noun
:
a gray
tetravalent
metallic
element that resembles
zirconium
chemically
and is found in
zirconium
minerals; used in filaments for its ready
emission
of electrons
Are you interested in alternative search :
:
atomic number 72
hafnium
high frequency
electromagnetic spectrum
metal
metallic element
radio frequency
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