Source : Webster's Revised Unabridged Dictionary (1913)

Hippocratic \Hip"po*crat"ic\, a.
   Of or pertaining to Hippocrates, or to his teachings.

   {Hippocratic face} [L. facies Hippocratica], the change
      produced in the countenance by death, or long sickness,
      excessive evacuations, excessive hunger, and the like. The
      nose is pinched, the eyes are sunk, the temples hollow,
      the ears cold and retracted, the skin of the forehead
      tense and dry, the complexion livid, the lips pendent,
      relaxed, and cold; -- so called, as having been described
      by Hippocrates. --Dunglison.

   {Hippocratic oath}, an oath said to have been dictated by
      Hippocrates to his disciples. Such an oath is still
      administered to candidates for graduation in medicine.

Source : WordNet®

Hippocratic
     adj : of or relating to Hippocrates or the school of medicine that
           took his name