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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Co·lum·bic a.  Chem. Pertaining to, or containing, columbium or niobium; niobic.
 Columbic acid Chem., a weak acid derived from columbic or niobic oxide, Nb2O5; -- called also niobic acid.

From: Webster's Revised Unabridged Dictionary (1913)

 Co·lum·bic, a.  Pertaining to, or derived from, the columbo root.
 Columbic acid Chem., an organic acid extracted from the columbo root as a bitter, yellow, amorphous substance.
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