2. Scientific determination of any kind; the concise description of characterization of a species.

3. Critical perception or scrutiny; judgment based on such scrutiny; esp., perception pf, or judgment concerning, motives and character. The quick eye for effects, the clear diagnosis of men's minds, and the love of epigram. Compton Reade. My diagnosis of his character proved correct. J. Payn. Differential diagnosis (Med.), the determination of the distinguishing characteristics as between two similar diseases or conditions.

DIAGNOSTIC
Di`ag*nos"tic, a. Etym: [Gr. diagnostique.]

Defn: Pertaining to, or furnishing, a diagnosis; indicating the nature of a disease.

DIAGNOSTIC
Di`ag*nos"tic, n.

Defn: The mark or symptom by which one disease is known or distinguished from others.

DIAGNOSTICATE
Di`ag*nos"ti*cate, v. t. & i. Etym: [From Diagnostic.]

Defn: To make a diagnosis of; to recognize by its symptoms, as a disease.

DIAGNOSTICS
Di`ag*nos"tics, n.

Defn: That part of medicine which has to do with ascertaining the nature of diseases by means of their symptoms or signs. His rare skill in diagnostics. Macaulay.