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Definition of Columbium
1. Noun. A former name for niobium.
Definition of Columbium
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.
Definition of Columbium
1. Noun. (obsolete) The former name of niobium ¹
¹ Source: wiktionary.com
Definition of Columbium
1. [n -S]
Medical Definition of Columbium
1. Former name for niobium. Abbreviation: Cb Origin: Columbia, name for America (05 Mar 2000)
Lexicographical Neighbors of Columbium
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