Source : Webster's Revised Unabridged Dictionary (1913)

Encephalopathy \En*ceph`a*lop"a*thy\, n. [Gr. ? the brain + ?,
   ?, to suffer.] (Med.)
   Any disease or symptoms of disease referable to disorders of
   the brain; as, lead encephalopathy, the cerebral symptoms
   attending chronic lead poisoning.

Source : WordNet®

encephalopathy
     n : any disorder or disease of the brain [syn: {brain disorder},
          {brain disease}]