PROGNOSIS (Gr. Trffrfvucis, knowledge of recognition beforehand, from Trpa/yt'YViiiaKti.v, to know beforehand, cf. " prognostication," prediction), a term used in modern medicine, as it was in Greek, for an opinion, forecast or decision as to the probable course, duration and termination of a case of disease. It is to be distinguished from " diagnosis " (Gr. dia.yvu(ns,8ia'YLyv<joaKeu> to distinguish), the determination or identification of a disease in a particular case from an investigation of its history and symptoms.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)