Columbic acid

from The Collaborative International Dictionary of English v.0.48

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]

from The Collaborative International Dictionary of English v.0.48

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]

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