Lexic.us

Definition of Niobium

1. Noun. A soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium.

Definition of Niobium

1. n. A later name of columbium. See Columbium.

Definition of Niobium

1. a metallic element [n -S] : NIOBIC, NIOBOUS [adj]

Medical Definition of Niobium

1. A later name of columbium. See Columbium. Origin: NL, fr. L. & E. Niobe. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Niobium

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