1. (

• nosology ,
• diagnostics

) the branch of medical science dealing with the classification of disease ;

1. (

• diagnostic

) concerned with diagnosis; used for furthering diagnosis; "a diagnostic reading test" ;

2. (

• diagnostic ,
• symptomatic

) characteristic or indicative of a disease; "a diagnostic sign of yellow fever"; "a rash symptomatic of scarlet fever"; "symptomatic of insanity"; "a rise in crime symptomatic of social breakdown" ;