Longman Dictionary of Contemporary English homepage

Date: 1600-1700
Language: Modern Latin
Origin: Greek, from diagignoskein 'to know apart'

diagnosis

noun
     
di‧ag‧no‧sis plural diagnoses [uncountable and countable]
MH the process of discovering exactly what is wrong with someone or something, by examining them closely [↪ prognosis]
diagnosis of
diagnosis of kidney disease
An exact diagnosis can only be made by obtaining a blood sample.

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