Source : Webster's Revised Unabridged Dictionary (1913)

Gluconic \Glu*con"ic\, a.
   Pertaining to, or derived from, glucose.

   {Gluconic acid} (Chem.), an organic acid, obtained as a
      colorless, sirupy liquid, by the oxidation of glucose; --
      called also {maltonic acid}, and {dextronic acid}.