diagnosis

diagnosis
[ˌdʌɪəgˈnəʊsɪs]
(pl. diagnoses -siːz)
[mass noun]

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。
the distinctive characterization in precise terms of a genus, species, or phenomenon
（对属、种或现象的）特征简介

语源

late 17th cent.: modern Latin, from Greek, from diagignōskein 'distinguish, discern', from dia 'apart' + gignōskein 'recognize, know'