'Columbic acid' definitions:

Definition of 'Columbic acid'

From: GCIDE
  • Columbic \Co*lum"bic\, a. [From Columbo.] Pertaining to, or derived from, the columbo root. [1913 Webster]
  • Columbic acid (Chem.), an organic acid extracted from the columbo root as a bitter, yellow, amorphous substance. [1913 Webster]

Definition of 'Columbic acid'

From: GCIDE
  • Columbic \Co*lum"bic\, a. [From Columbium.] (Chem.) Pertaining to, or containing, columbium or niobium; niobic. [1913 Webster]
  • Columbic acid (Chem.), a weak acid derived from columbic or niobic oxide, Nb2O5; -- called also niobic acid. [1913 Webster]