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diagnosis

Syllabification: (di·ag·no·sis)
Pronunciation: /ˌdīəgˈnōsis/

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Definition of diagnosis

noun (plural diagnoses /-ˌsēz/)

  • 1the identification of the nature of an illness or other problem by examination of the symptoms:early diagnosis and treatment are essential a diagnosis of Crohn’s disease was made
  • 2the distinctive characterization in precise terms of a genus, species, or phenomenon.

Origin:

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

Make the plural of diagnosis by changing the -is ending to -es: (diagnoses).

diagnosis in other Oxford dictionaries

Definition of diagnosis in the British & World English dictionary