音标：[kә'lʌmbiәm] ；

n. [化]铌

n a former name for niobium

词型变化：名词复数形式 : columbiums

columbium的用法和样例：

词汇搭配

columbium dioxide二氧化铌
columbium pentoxide五氧化二铌
columbium pentachloride五氯化铌
columbium oxytrichloride三氯氧化铌
columbium carbide一碳化铌
columbium sesquioxide三氧化二铌
columbium tetroxide四氧化二铌
columbium oxytrifluoride三氟氧化铌
columbium oxide氧化铌
columbium nitride一氮化铌
columbium monoxide一氧化铌
columbium shape铌型材

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