niobium

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noun ni·o·bi·um \nī-ˈō-bē-əm\

Definition of niobium

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

Recent Examples of niobium from the Web

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Origin and Etymology of niobium

New Latin, from Latin Niobe; from its occurrence in tantalite


Medical Dictionary

niobium

play
noun ni·o·bi·um \nī-ˈō-bē-əm\

Medical Definition of niobium

  1. :  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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