Co-lŭm'bi-ŭm, n.
n. [N. Lat., from Columbia, America; Fr. colombium.] (Min.) A rare metal first discovered in an ore or oxide, found at New London, Connecticut. It has been called also Niobium. Dana.
n. [N. Lat., from Columbia, America; Fr. colombium.] (Min.) A rare metal first discovered in an ore or oxide, found at New London, Connecticut. It has been called also Niobium. Dana.