D defs.my
Menu ☰
Entry 2 senses · 2 variants Webster, 1913

Columbic

· Co·lum·bic · IPA
01 a. Pertaining to, or containing, columbium or niobium; niobic.
  1. 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.
02 a. Pertaining to, or derived from, the columbo root.
  1. 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.