Columbic /(?)/

Co·lum·bic

Columbic

a.
  1. Pertaining to, or containing, columbium or niobium; niobic. (Chem.)

Phrases & Compounds
Columbic acid
a weak acid derived from columbic or niobic oxide, Nb2O5; -- called also niobic acid.

Columbic

a.
  1. Pertaining to, or derived from, the columbo root.

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