columbium definition

  • noun:
    • Niobium. No further in systematic use.
    • an old name of niobium/
    • an uncommon section of the vanadium team, first found in many different the mineral columbite happening in Connecticut, probably at Haddam. Atomic weight 94.2. Image Cb or Nb. Today additionally known as niobium.
    • identical to niobium.
    • In chem., a supposed brand new factor announced in 1879 by J. L. Smith as within the mineral samarskite: its presence is not verified. Distinct from formerly known factor columbium or niobium.
    • a former name for niobium
    • Niobium. Not in medical usage.
    • an old title of niobium/
    • A rare section of the vanadium group, first-found in many different the mineral columbite happening in Connecticut, probably at Haddam. Atomic fat 94.2. Representation Cb or Nb. Today additionally called niobium.
    • identical to niobium.
    • In chem., a supposed brand-new element revealed in 1879 by J. L. Smith as within the mineral samarskite: its existence will not be verified. Distinct through the formerly understood factor columbium or niobium.
    • an old name for niobium

Related Sources

  • Definition for "columbium"
    • Niobium. No further in systematic use.
    • View More
  • Sentence for "columbium"
    • These minerals are the principal sources…
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