n. (pl. diagnoses) 1 a the identification of a disease by means of a patient's symptoms. b an instance or formal statement of this. 2 a the identification of the cause of a mechanical fault etc. b an instance of this. 3 a the distinctive characterization in precise terms of a genus, species, etc. b an instance of this.
[ mod.L f. Gk (as DIA-, gignosko recognize) ]