Columbium

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. Niobium. No longer in scientific use.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. A former name of niobium/
    • the GNU version of the Collaborative International Dictionary of English
  • 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.
    • The Century Dictionary and Cyclopedia
  • n. Same as niobium.
  • n. 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.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • n. a former name for niobium
    • Hypernym
    Words that are more generic or abstract
    Nb    niobium    atomic number 41   
    Variant
    niobium   
     
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