columbium columbite • columbo · · · Info · Definitions · Characters · · columbium · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a former name for niobium. · · Noun Definition 1 Characters · · b latin small letter b U+0062 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F u latin small letter u U+0075