COLUMBIC

Co*lum"bic, a. Etym: [From Columbium.] (Chem.)

Definition: 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.

Co*lum"bic, a. Etym: [From Columbo.]

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition

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