Source : Webster's Revised Unabridged Dictionary (1913)

Dextronic \Dex*tron"ic\, a. (Chem.)
   Pertaining to, or derived from, dextrose; as, dextronic acid.

   {Dextronic acid}, a sirupy substance obtained by the partial
      oxidation of various carbohydrates, as dextrose, etc.