- 1. a. Pertaining to, or containing, columbium or niobium; niobic. Source: opted
- 2. a. Pertaining to, or derived from, the columbo root. Source: opted
- 3. 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. 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
- 4. Pertaining to, or containing, columbium or niobium; niobic.Columbic acid (Chem.), a weak acid derived from columbic or niobicoxide, Nb2O5; -- called also niobic acid. Source: adambom
- 5. a. Pertaining to, or containing, columbium or niobium; niobic. a. Pertaining to, or derived from, the columbo root. Source: ecdict
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acidniobicpertainingderivedcolumbiumcolumbocontainingniobiumrootcalledweakamorphousbitterextractedorganicoxidesubstanceyellow