Source : Webster's Revised Unabridged Dictionary (1913)

Uvitic \U*vit"ic\, a. [From L. uva a grape. So called because it
   may be produced indirectly from tartaric acid, which is found
   in the grape.] (Chem.)
   Pertaining to, or designating, an acid, {CH3C6H3(CO2H)2},
   obtained as a white crystalline substance by the partial
   oxidation of mesitylene; -- called also mesitic acid.