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. 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.