diagnosis

/daɪəɡˈnəʊsɪs/noun

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

Example sentence

“The doctor confirmed the diagnosis after reviewing the test results.”

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

Related words

clinicA place where people receive medical care, especially patients who do not stay overnight.infectionThe spread of harmful germs multiplying out of control inside a person, animal, or plant.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.