diagnosis

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

Definition of diagnosis

plural

diagnoses

play \-ˌsēz\
  1. 1 a :  the art or act of identifying a disease from its signs and symptoms b :  the decision reached by diagnosis

  2. 2 :  a concise technical description of a taxon

  3. 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.

Origin and Etymology of diagnosis

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


First Known Use: 1655


DIAGNOSIS Defined for English Language Learners

diagnosis

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

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. 1 :  the act of recognizing a disease from its signs and symptoms <She specialized in the diagnosis and treatment of eye diseases.>

  2. 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

\-ˌsēz\play
  1. 1a:  the art or act of identifying a disease from its signs and symptomsb:  the decision reached by diagnosis <a diagnosis of pneumonia>

  2. 2:  a concise technical description of a taxon



Seen and Heard

What made you want to look up diagnosis? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

an alert or lookout

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • alphabet-magnets
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ