Dictionary
2 ENTRIES FOUND:

niobium

noun ni·o·bi·um \nī-ˈō-bē-əm\

Definition of NIOBIUM

:  a lustrous light gray ductile metallic element that resembles tantalum chemically and is used in alloys — see element table

Origin of NIOBIUM

New Latin, from Latin Niobe; from its occurrence in tantalite
First Known Use: 1845

niobium

noun ni·o·bi·um \nī-ˈō-bē-əm\   (Medical Dictionary)

Medical Definition of NIOBIUM

:  a lustrous light gray ductile metallic element that resembles tantalum chemically and is used in alloys—symbol Nb; called also columbium; see element table

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