hafnium
English Dictionary
->
Letter H
-> hafnium
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hafnium Definition
(n)
a
gray
tetravalent
metallic
element
that
resembles
zirconium
chemically
and
is
found
in
zirconium
minerals
;
used
in
filaments
for
its
ready
emission
of
electrons
hafnium Synonyms
atomic number 72
hafnium
Hf
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