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Noun: niobium  nI'ow-bee-um
  1. A soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
    "Niobium is used in superconducting magnets";
    - Nb, atomic number 41

Derived forms: niobiums

Type of: metal, metallic element

Part of: columbite, niobite

Encyclopedia: Niobium