英英字典: niobium
KK Pronunciation
〔 naIˋobIәm 〕
Pronunciation
〔 naiˊoubiәm 〕
Overview of noun niobium
The noun niobium has 1 sense
- niobium, Nb, atomic number 41 -- (a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium)
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