[ dʌɪəg'nɒstɪk ]
■ adjective
1》 concerned with the diagnosis of illness or other problems.
↘(of a symptom) distinctive, and so indicating the nature of an illness.
2》 characteristic of a particular species, genus, or phenomenon.
■ noun
1》 a distinctive symptom or characteristic.
2》 ( ~s ) [treated as sing. or plural ] the practice or techniques of diagnosis.
3》 Computing a program or routine that helps a user to identify errors.
Derivatives
~ally adverb
~ian -nɒ'stɪʃ(ə)n noun