First Known Use: 1845
Dictionary
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
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Origin of NIOBIUM
New Latin, from Latin Niobe; from its occurrence in tantalite
Medical Dictionary
niobium
noun ni·o·bi·um \nī-ˈō-bē-əm\
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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