columbic

Webster's Dictionary (1913)

Origin: From Columbium.

Chemistry Pertaining to, or containing, columbium or niobium; niobic.

Columbic acid Chemistry, a weak acid derived from columbic or niobic oxide, Nb2O5; — called also niobic acid.

Origin: From Columbo.

Pertaining to, or derived from, the columbo root.

Columbic acid Chemistry, an organic acid extracted from the columbo root as a bitter, yellow, amorphous substance.

Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54