Meaning of “diagnose” in the English Dictionary

american-english dictionary

"diagnose" in British English

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diagnoseverb [ T ]

uk /ˈdaɪ.əɡ.nəʊz/ us /ˌdaɪ.əɡˈnoʊz/

C2 to recognize and name the exact character of a disease or a problem, by examining it:

The specialist diagnosed cancer.
His condition was diagnosed as some type of blood disorder.
She was diagnosed with/as having diabetes.
The electrician has diagnosed a fault in the wiring.

More examples

  • He was diagnosed as a paranoid schizophrenic.
  • The treatment's chances of success are stronger if it is started as soon as the disease is diagnosed.
  • In about half of diagnosed cases, the condition is operable.
  • Despite undergoing several tests, doctors were unable to diagnose her condition.
  • Since his cancer was diagnosed, he feels as if he's living on borrowed time.

(Definition of “diagnose” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"diagnose" in American English

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diagnoseverb [ T ]

us /ˈdɑɪ·ɪɡˌnoʊs, -ˌnoʊz/

to recognize and name the exact character of a disease or other problem by making an examination:

He was diagnosed with cancer that year.
It was not easy to diagnose what was wrong with the business.

(Definition of “diagnose” from the Cambridge Academic Content Dictionary © Cambridge University Press)