HyperDic: columbium

English > 1 sense of the word *columbium*:
NOUN	substance	columbium	a former name for niobium

English > *columbium*: 1 sense > noun 1, substance
Meaning	A former name for niobium.
Broader	niobium, Nb, atomic number 41	A soft grey ductile metallic element used in alloys
Catalan	columbi