diagnosis

noun
di·​ag·​no·​sis | \ ˌdī-ig-ˈnō-səs How to pronounce diagnosis (audio) , -əg-\
plural diagnoses\ ˌdī-​ig-​ˈnō-​ˌsēz How to pronounce diagnoses (audio) , -​əg-​ \

Definition of diagnosis

1a : the art or act of identifying a disease from its signs and symptoms
b : the decision reached by diagnosis the doctor's diagnosis
2a : 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
3 biology : a concise technical description of a taxon

Keep scrolling for more

Examples of diagnosis in a Sentence

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

Recent Examples on the Web

Tech giants like Amazon and Apple are expanding their businesses to include electronic health records -- which contain data on diagnoses, prescriptions and other medical information. Parmy Olson, WSJ, "Google Quietly Disbanded Another AI Review Board Following Disagreements," 16 Apr. 2019 Even the most ardent Trump supporter doesn’t challenge his oncologist’s cancer diagnosis, or walk into a physics conference and question the validity of string theory. Sean Illing, Vox, "A philosopher explains America’s “post-truth” problem," 14 Aug. 2018 Tech giants like Amazon and Apple are expanding their businesses to include electronic health records -- which contain data on diagnoses, prescriptions and other medical information. Anna Wilde Mathews, WSJ, "Tech, Health Firms Race to Help Consumers Manage Personal Data," 2 Apr. 2019 Gypsy Rose Blanchard is currently serving a 10-year prison sentence for her mother's murder The fake diagnoses, tests, and abusive behavior went on for as long as Gypsy Rose could take it. Alexis Jones, Marie Claire, "How True Is 'The Act'? The Hulu Series' Backstory Is Chilling," 20 Mar. 2019 This could give them a good idea of what kind of tests to run to land on a diagnosis, too. Cassie Shortsleeve, SELF, "How to Know If Your Abdominal Pain Is Physical or Mental," 16 Feb. 2019 Post wound or injury diagnosis, 88% of our participants experienced low mood and 77% a lack of confidence about the future. Caroline Hallemann, Town & Country, "Read the Full Transcript of Prince Harry's Powerful Speech at the Endeavour Awards," 11 Feb. 2019 In the past, trials like this have resulted in over-diagnosis, where doctors would recommend further tests for something that's harmless. John Timmer, Ars Technica, "AIs trained to help with sepsis treatment, fracture diagnosis," 27 Oct. 2018 But on a platform where influencers are often viewed as more trustworthy than traditional news sources, and where conspiracy and misinformation nevertheless run rampant, unofficial diagnoses like this have become more potentially harmful than ever. Angela Chen, The Verge, "Why attempts to diagnose Jake Paul as a sociopath are even worse than doing it with Trump," 9 Oct. 2018

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.

See More

First Known Use of diagnosis

1634, in the meaning defined at sense 1a

History and Etymology for diagnosis

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

Keep scrolling for more

Learn More about diagnosis

Statistics for diagnosis

Last Updated

3 May 2019

Look-up Popularity

Time Traveler for diagnosis

The first known use of diagnosis was in 1634

See more words from the same year

Keep scrolling for more

More Definitions for diagnosis

diagnosis

noun

English Language Learners Definition of diagnosis

: 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

noun
di·​ag·​no·​sis | \ ˌdī-əg-ˈnō-səs How to pronounce diagnosis (audio) \
plural diagnoses\ -​ˌsēz \

Kids Definition of diagnosis

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.

diagnosis

noun
di·​ag·​no·​sis | \ ˌdī-ig-ˈnō-səs, -əg- How to pronounce diagnosis (audio) \
plural diagnoses\ -​ˌsēz How to pronounce diagnoses (audio) \

Medical Definition of diagnosis

1a : 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

Keep scrolling for more

Comments on diagnosis

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

something valued as if it were money

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

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

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!