diagnosis

/daɪəɡˈnəʊsɪs/noun

The act, or an instance, of working out what illness or condition a person has and what is causing it.

Example sentences

“The doctor confirmed the diagnosis after reviewing the test results.”
“An early diagnosis can make many cancers much easier to treat.”

Plural is 'diagnoses'. The doctor makes a diagnosis; the related verb is 'diagnose'. A 'prognosis' is the forecast, not the identification.

Often confused with diagnosis

diagnosis vs prognosis

Related words

clinicA place where people receive medical care, especially patients who do not stay overnight.infectionAn illness or condition caused when harmful germs, such as bacteria or viruses, get into the body and multiply.acheTo feel a steady, dull pain, or to be the cause of such pain.immuneUnable to catch a disease, either through natural resistance or because of vaccination.dizzyFeeling as if everything is spinning and you might lose your balance.nutritionThe food and substances that a body needs to stay healthy and grow.