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Thesaurus: columbium

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.

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Definitions

  1. n. 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.
  2. n. a former name for niobium
  3. 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.
  4. A rare element of the vanadium group, first found in a varietyof the mineral columbite occurring in Connecticut, probably atHaddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly calledniobium.
  5. n a former name for niobium