DictionarydiagnosisIdentification of a disease or problem
noun

diagnosis

dye-ug-NOH-sis/ˌdaɪəɡˈnəʊsɪs/

Identification of the nature or cause of a disease or problem.

The physician uses the scan and examination to make a diagnosis.

Black physician identifies illness from scan and examination.
Etymology

The pieces express knowing thoroughly or knowing things apart. This became discerning or distinguishing, then specifically recognizing a disease by the symptoms that distinguish it.

In context

sixesfullofnines0:33
… this is a diagnosis that can be made by history the patient will give you the history if you ask the right questions …
Vertigo - CBS News - 2017

More examples

  • Further tests were needed for a firm diagnosis.
  • Her diagnosis identified the source of the pain.
  • The technician's diagnosis traced the fault to a loose connection.

Forms

diagnosis · diagnoses

diagnose verb — identify a disease or problem

diagnostic adjective — helping identify a cause

Similar words

assessment
A broader evaluation rather than identification of a cause.
identification
Recognition of what something is, not necessarily a medical process.