1
- concerned with the diagnosis of illness or other problems关于（疾病的）诊断的; 关于（所存在问题性质的）判断的：
a diagnostic tool.
诊断器械。
1.1
- (of a symptom) distinctive, and so indicating the nature of an illness（因症状特异而）能指示某种疾病性质的：
there are fifteen infections which are diagnostic of Aids.
有15个因症状特异而被诊断为感染了艾滋病的病例。
2
- characteristic of a particular species, genus, or phenomenon（生物学上的某一物种、属或现象所）特有的：
the diagnostic character of having not one but two pairs of antennae.
有两对触角而非一对触角的属性特征。
1
- a distinctive symptom or characteristic（特有的）症状（或特征）。
1.1
- Computing a program or routine that helps a user to identify errors【计算机】诊断程序, 识错程序。
2
- (diagnostics) the practice or techniques of diagnosis诊断学; 诊断法：
advanced medical diagnostics.
先进的医疗诊断技术。
派生词
diagnostically
adverbdiagnostician
/ˌdaɪəgnɒsˈtɪʃən/ noun词源
early 17th cent.: from Greek diagnōstikos 'able to distinguish'， from diagignōskein 'distinguish'; the noun from hē diagnōstikē teknē 'the art of distinguishing (disease)'.