About The Word Columbium

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Columbium

Columbium Meaning & Definition
Columbium Definition And Meaning

What's The Definition Of Columbium?

[n] a former name for niobium

Synonyms | Synonyms for Columbium:

Related Terms | Find terms related to Columbium:

See Also | atomic number 41 | Nb | niobium

Columbium In Webster's Dictionary

\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}.

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