Dictionary

columbium

noun co·lum·bi·um \kə-ˈləm-bē-əm\

Definition of COLUMBIUM

:  niobium
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Origin of COLUMBIUM

New Latin, from Columbia
First Known Use: 1801
Medical Dictionary

columbium

noun co·lum·bi·um \kə-ˈləm-bē-əm\

Medical Definition of COLUMBIUM

:  niobium

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