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more about columbium
columbium |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Columbium \Co*lum"bi*um\, n. [NL., fr Columbia America.] (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 WordNet r 1.6 [wn]: columbium n : a former name for niobium From Elements database 20001107 [elements]: columbium The original name for {niobium}.
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