Diagnosis
in medicine (1) The sign or symptom by which a disease is known or distinguished from others; (2) (Pl.) That branch of medical scimedical science which deals with the study of the symptoms by which diseases are diagnosed or discriminated; symptomatology. Diagnostics are of two kinds : (1) The special or pathognomonic, which are peculiar to a certain disease, and serve to distinguish it from all other diseases; and (2) the adjunct, or such as are common to many diseases.