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Definition of
niobium noun
from the Oxford Advanced American Dictionary
niobium
noun
noun
NAmE
/
/
naɪˈoʊbiəm
/
/
[
uncountable
]
(
symbol
Nb
)
jump to other results
a chemical element.
Niobium
is a silver-gray metal used in steel
alloys
.
See
niobium
in the Oxford Advanced Learner's Dictionary
Check pronunciation:
niobium
Nearby words
ninth
ordinal number
ninth
noun
niobium
noun
nip
verb
nip and tuck
noun