Diagnosis  /ˌdaɪəgˈnoʊsəs/  noun

1 [noncount: the act of identifying a disease, illness, or problem by examining someone or something

  • The unusual combination of symptoms made accurate diagnosis difficult.
  • She is an expert in the diagnosis and treatment of eye diseases.

2 [count: a statement or conclusion that describes the reason for a disease, illness, or problem

  • The diagnosis was a mild concussion.
  • His doctor made an initial diagnosis of pneumonia.
  • The committee published its diagnosis of the problems affecting urban schools.