diagnosis

play
noun di·ag·no·sis \ ˌdī-ig-ˈnō-səs , -əg- \

Definition of diagnosis

plural diagnoses play \-ˌsēz\
1 a :the art or act of identifying a disease from its signs and symptoms
b :the decision reached by diagnosis
  • the doctor's diagnosis
2 biology :a concise technical description of a taxon
3 a :investigation or analysis of the cause or nature of a condition, situation, or problem
  • diagnosis of engine trouble
b :a statement or conclusion from such an analysis

Examples of diagnosis in a Sentence

  1. The unusual combination of symptoms made accurate diagnosis difficult.

  2. She is an expert in the diagnosis and treatment of eye diseases.

  3. The diagnosis was a mild concussion.

  4. His doctor made an initial diagnosis of pneumonia.

  5. The committee published its diagnosis of the problems affecting urban schools.

Recent Examples of diagnosis from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diagnosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of diagnosis

New Latin, from Greek diagnōsis, from diagignōskein to distinguish, from dia- + gignōskein to know — more at know


DIAGNOSIS Defined for English Language Learners

diagnosis

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noun

Definition of diagnosis for English Language Learners

  • : the act of identifying a disease, illness, or problem by examining someone or something

  • : a statement or conclusion that describes the reason for a disease, illness, or problem


DIAGNOSIS Defined for Kids

diagnosis

play
noun di·ag·no·sis \ ˌdī-əg-ˈnō-səs \

Definition of diagnosis for Students

plural diagnoses \-ˌsēz\
1 :the act of recognizing a disease from its signs and symptoms She specialized in the diagnosis and treatment of eye diseases.
2 :the conclusion that is reached following examination and testing
  • The diagnosis was pneumonia.

Medical Dictionary

diagnosis

play
noun di·ag·no·sis \ ˌdī-ig-ˈnō-səs, -əg- \

medical Definition of diagnosis

plural diagnoses play \-ˌsēz\
1 a :the art or act of identifying a disease from its signs and symptoms
b :the decision reached by diagnosis
  • a diagnosis of pneumonia
2 :a concise technical description of a taxon


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