diagnosis

noun
di·​ag·​no·​sis | \ ˌdī-ig-ˈnō-səs , -əg-\
plural diagnoses\ -​ˌsēz \

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

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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.
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Recent Examples on the Web

Because cervical cancer generally progresses slowly, early diagnosis is often crucial to detecting the disease when there are curative treatment options available. Leana Wen, SELF, "Before I Was President of Planned Parenthood, I Was Diagnosed With Cervical Cancer at a Routine Screening," 28 Jan. 2019 But making a diagnosis can be difficult and take months. Julia Belluz, Vox, "Kids who start kindergarten young are more likely to be diagnosed with ADHD," 17 Dec. 2018 Which just goes to show how confusing a diagnosis can really be. Colleen Stinchcombe, Woman's Day, "What's the Difference Between Type 1 and Type 2 Diabetes?," 10 Sep. 2018 This diagnosis was the result of the left side of Thomas's heart being undersize. Jameelah Nasheed, Teen Vogue, "Make-A-Wish Teen Thomas Stephenson Was a Senator for a Day," 11 July 2018 But diagnosis is difficult; in about a third of patients the disorder doesn’t cause symptoms. Bradley J. Fikes, sandiegouniontribune.com, "Wearable heart monitor catches undiagnosed atrial fibrillation, JAMA study finds," 10 July 2018 Her diagnosis in 2017 marked her third bout with cancer. Kayla Keegan, Good Housekeeping, "Watch Olivia Newton-John Address Death Rumors in Heartbreaking New Video," 3 Jan. 2019 According to the website, the two-hour show followed Beth and Dog from her diagnosis to her recovery. Megan Stein, Country Living, "'Dog the Bounty Hunter' Star Beth Chapman's Cancer Has Returned," 28 Nov. 2018 This week has provided some indications that software may be on the verge of living up to that promise, as two papers describe excellent preliminary results with using AI for both diagnosis and treatment decisions. John Timmer, Ars Technica, "AIs trained to help with sepsis treatment, fracture diagnosis," 27 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.

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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

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Statistics for diagnosis

Last Updated

8 Feb 2019

Look-up Popularity

Time Traveler for diagnosis

The first known use of diagnosis was in 1634

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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 \
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- \
plural diagnoses\ -​ˌsēz \

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

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