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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 co·lum·bi·um /kəˈlʌmbiəm/
 鈳[金屬元素]

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 co·lum·bi·um /kəˈləmbɪəm/ 名詞
 鈮

From: Webster's Revised Unabridged Dictionary (1913)

 Co·lum·bi·um n.  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) 2.0

 columbium
      n : a former name for niobium

From: Elements database 20001107

 columbium
 The original name for niobium.