diagnosis
/ˌdaɪəgˈnəʊsɪs/noun
(pl. diagnoses /-siːz/ ) ［mass noun］
1
- the identification of the nature of an illness or other problem by examination of the symptoms（对疾病的）诊断; （对所存在问题性质的）判断：
early diagnosis and treatment are essential
早期诊断和治疗至关重要
count noun a diagnosis of Crohn's disease was made.作出了该疾患系克罗恩氏病的诊断。
2
- the distinctive characterization in precise terms of a genus, species, or phenomenon（对属、种或现象的）特征简介。
词源
late 17th cent.: modern Latin， from Greek， from diagignōskein 'distinguish， discern'， from dia 'apart' + gignōskein 'recognize， know'.