Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Niobium. No longer in scientific use.

from The Century Dictionary.

  • noun Same as niobium.
  • noun In chem., a supposed new element announced in 1879 by J. L. Smith as present in the mineral samarskite: its existence has not been confirmed. Distinct from the previously known element columbium or niobium.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Chem.) A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly called niobium.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun obsolete A former name of niobium/

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a former name for niobium

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[After Columbia.]

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