a.1 Chem. [f. COLUMBIUM + -IC.] Of or pertaining to columbium. Columbic acid: the same as niobic acid, q.v.
1807. T. Thomson, Chem. (ed. 3), II. 251. Nitric acid precipitated the columbic acid.
1882. Avery, Elem. Chem., 227. Columbic acid has the composition, HCbO3.
Columbic a.2, var. of calumbic: see CALUMBA.
