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columbium

/kə'ləmbiəm/

Synonyms of columbium Antonyms of columbium Examples of columbium Usage of columbium Parts of columbium Definition that contains columbium Words sounding like columbium Explanation of columbium

noun
a former name for niobium
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type of:
atomic number 41 nb niobium

Definition that contains columbium

nb a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
atomic number 41 a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
niobium a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium