diagnosis

[ dahy-uhg-noh-sis ]

/ ˌdaɪ əgˈnoʊ sɪs /

SEE SYNONYMS FOR diagnosis ON THESAURUS.COM

noun, plural di·ag·no·ses [dahy-uhg-noh-seez]. /ˌdaɪ əgˈnoʊ siz/.

Medicine/Medical.

the process of determining by examination the nature and circumstances of a diseased condition.
the decision reached from such an examination. Abbreviation: Dx

Biology. scientific determination; a description that classifies a group or taxon precisely.

a determining or analysis of the cause or nature of a problem or situation.

an answer or solution to a problematic situation.

Origin of diagnosis

First recorded in 1675–85; from New Latin, from Greek diágnōsis “a distinguishing, means or power of discernment”; see dia-, -gnosis

words often confused with diagnosis

Although diagnosis and prognosis are both very familiar medical terms, they are sometimes used interchangeably (by nonmedical people), as if they were synonymous words. They are not.
When a person is unwell and asks a doctor what is wrong with them, what they are asking for is a diagnosis. Examining the symptoms, as with a thermometer or stethoscope, and evaluating the results of a procedure such as a throat culture, blood test, or x-ray will help the doctor identify the patient’s illness. Whatever that ailment may be, the identification, or naming of it, is the diagnosis. The diagnosis of rheumatoid arthritis was very disheartening. The diagnosis is an acute case of tendinitis.
Once a patient has been given a diagnosis, the next thing they’ll want to know is what sort of an outcome they can expect, which means they want to know the prognosis. Unlike diagnoses, which are conclusively based on tangible evidence, prognoses are reasonable predictions based on past observations of similar cases. A prognosis gives the patient an idea of what to expect about the course of their illness, including the probability of recovery. As ailments range from the most superficial to the most life-threatening, it is typical for the word prognosis to be qualified by such adjectives as excellent, favorable, good, positive, negative, poor, dire, grim. Doctors will never tire of telling us, “Early detection and treatment are your best bets for a positive prognosis.” And no one wants to say, “The prognosis was so poor that he could no longer hide his condition from his family.”
In nonmedical contexts, diagnosis still carries its meaning of naming or identifying something, especially when that involves a situation or problem. When our computer kept crashing, the tech said that nearby UFO activity could be the reason, so we got another tech—and a proper, earthbound diagnosis!
Likewise, prognosis is used outside of medical contexts, retaining its meaning of reasonable prediction. As a lover of pesticide-free smoothies, I’m pleased to say that the prognosis for the future of organic farming has never been better.

OTHER WORDS FROM diagnosis

pre·di·ag·no·sis, noun, plural pre·di·ag·no·ses.

WORDS THAT MAY BE CONFUSED WITH diagnosis

diagnosis , prognosis (see confusables note at the current entry)

Words nearby diagnosis

diagenesis, diageotropic, diageotropism, Diaghilev, diagnose, diagnosis, diagnosis by exclusion, diagnostic, diagnosticate, diagnostic diphtheria toxin, diagnostician

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for diagnosis

A lengthy series of objective tests may lead to a diagnosis of Parkinson’s disease.
How Pseudoscientists Get Away With It - Facts So Romantic|Stuart Firestein|August 28, 2020|Nautilus
Even when diagnoses of mental illness are made, laws around the world are supposed to prevent discrimination in the workplace and elsewhere.
Machines can spot mental health issues—if you hand over your personal data|Bobbie Johnson|August 13, 2020|MIT Technology Review
Such research may inform diagnosis and treatment of human infertility, Pacey says.
Human sperm don’t swim the way that anyone had thought|Jack J. Lee|July 31, 2020|Science News
An especially astute doctor might be able to see a patient’s symptoms and try to make a clairvoyant diagnosis.
What Does It Mean To Be Clairvoyant?|Brigid Walsh|July 26, 2020|Everything After Z

The software doesn’t have to account for every possible diagnosis, like infectious diseases from the tropics.
What will astronauts need to survive the dangerous journey to Mars?|Maria Temming|July 15, 2020|Science News
Diagnosis of CTE is often considered to be specialized and has to occur at a designated institution like Boston University.
Will the NCAA Let Ohio State’s Kosta Karageorge Die in Vain?|Robert Silverman|December 1, 2014|DAILY BEAST
I recall being taught during my medical education that a likely diagnosis was neurofibromatosis type 1.
The True Story of ‘The Elephant Man’|Russell Saunders|November 3, 2014|DAILY BEAST
Accompanying this diagnosis was a description of what her particular death would be like.
On Her Own Terms: Why Brittany Maynard Has Chosen to Die|Gene Robinson|October 12, 2014|DAILY BEAST
A trip to the doctor resulted in a diagnosis of Glioblastoma multiforme, an especially virulent cancer of the brain.
On Her Own Terms: Why Brittany Maynard Has Chosen to Die|Gene Robinson|October 12, 2014|DAILY BEAST
No, now I can safely give myself the diagnosis of SCT, which seems much tidier.
Daydreaming Is Not a Disorder|Russell Saunders|October 4, 2014|DAILY BEAST
On these counts are we to hazard the diagnosis of facial trophoneurosis?
Tics and Their Treatment|Henry Meigne
Something has been done of late years, however, to render its diagnosis more easy.
Neuralgia and the Diseases that Resemble it|Francis E. Anstie
Is there any difficulty in reaching a diagnosis in scleroderma?
Essentials of Diseases of the Skin|Henry Weightman Stelwagon
For assurance, Dr. Elliot was sent for and added his diagnosis.
The Clarion|Samuel Hopkins Adams
Until the diagnosis is thoroughly established, soothing applications, such as are employed in acute eczema, are to be advised.
Essentials of Diseases of the Skin|Henry Weightman Stelwagon

British Dictionary definitions for diagnosis

diagnosis

/ (ˌdaɪəɡˈnəʊsɪs) /

noun plural -ses (-siːz)

the identification of diseases by the examination of symptoms and signs and by other investigations
an opinion or conclusion so reached

thorough analysis of facts or problems in order to gain understanding and aid future planning
an opinion or conclusion reached through such analysis

a detailed description of an organism, esp a plant, for the purpose of classification

Word Origin for diagnosis

C17: New Latin, from Greek: a distinguishing, from diagignōskein to distinguish, from gignōskein to perceive, know

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for diagnosis

diagnosis

[ dī′əg-nō′sĭs ]

n. pl. di•ag•no•ses (-sēz)

The act or process of identifying or determining the nature and cause of a disease or injury through evaluation of patient history, examination, and review of laboratory data.

The opinion derived from such an evaluation.

A brief description of the distinguishing characteristics of an organism, as for taxonomic classification.

Scientific definitions for diagnosis

diagnosis

[ dī′əg-nō′sĭs ]

Plural diagnoses (dī′əg-nō′sēz)

The identification by a medical provider of a condition, disease, or injury made by evaluating the symptoms and signs presented by a patient.

单词	diagnosis
释义	diagnosis [ dahy-uhg-noh-sis ] / ˌdaɪ əgˈnoʊ sɪs / SEE SYNONYMS FOR diagnosis ON THESAURUS.COM noun, plural di·ag·no·ses [dahy-uhg-noh-seez]. /ˌdaɪ əgˈnoʊ siz/. Medicine/Medical. the process of determining by examination the nature and circumstances of a diseased condition. the decision reached from such an examination. Abbreviation: Dx Biology. scientific determination; a description that classifies a group or taxon precisely. a determining or analysis of the cause or nature of a problem or situation. an answer or solution to a problematic situation. Origin of diagnosis First recorded in 1675–85; from New Latin, from Greek diágnōsis “a distinguishing, means or power of discernment”; see dia-, -gnosis words often confused with diagnosis Although diagnosis and prognosis are both very familiar medical terms, they are sometimes used interchangeably (by nonmedical people), as if they were synonymous words. They are not. When a person is unwell and asks a doctor what is wrong with them, what they are asking for is a diagnosis. Examining the symptoms, as with a thermometer or stethoscope, and evaluating the results of a procedure such as a throat culture, blood test, or x-ray will help the doctor identify the patient’s illness. Whatever that ailment may be, the identification, or naming of it, is the diagnosis. The diagnosis of rheumatoid arthritis was very disheartening. The diagnosis is an acute case of tendinitis. Once a patient has been given a diagnosis, the next thing they’ll want to know is what sort of an outcome they can expect, which means they want to know the prognosis. Unlike diagnoses, which are conclusively based on tangible evidence, prognoses are reasonable predictions based on past observations of similar cases. A prognosis gives the patient an idea of what to expect about the course of their illness, including the probability of recovery. As ailments range from the most superficial to the most life-threatening, it is typical for the word prognosis to be qualified by such adjectives as excellent, favorable, good, positive, negative, poor, dire, grim. Doctors will never tire of telling us, “Early detection and treatment are your best bets for a positive prognosis.” And no one wants to say, “The prognosis was so poor that he could no longer hide his condition from his family.” In nonmedical contexts, diagnosis still carries its meaning of naming or identifying something, especially when that involves a situation or problem. When our computer kept crashing, the tech said that nearby UFO activity could be the reason, so we got another tech—and a proper, earthbound diagnosis! Likewise, prognosis is used outside of medical contexts, retaining its meaning of reasonable prediction. As a lover of pesticide-free smoothies, I’m pleased to say that the prognosis for the future of organic farming has never been better. OTHER WORDS FROM diagnosis pre·di·ag·no·sis, noun, plural pre·di·ag·no·ses. WORDS THAT MAY BE CONFUSED WITH diagnosis diagnosis , prognosis (see confusables note at the current entry) Words nearby diagnosis diagenesis, diageotropic, diageotropism, Diaghilev, diagnose, diagnosis, diagnosis by exclusion, diagnostic, diagnosticate, diagnostic diphtheria toxin, diagnostician Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for diagnosis A lengthy series of objective tests may lead to a diagnosis of Parkinson’s disease. How Pseudoscientists Get Away With It - Facts So Romantic\|Stuart Firestein\|August 28, 2020\|Nautilus Even when diagnoses of mental illness are made, laws around the world are supposed to prevent discrimination in the workplace and elsewhere. Machines can spot mental health issues—if you hand over your personal data\|Bobbie Johnson\|August 13, 2020\|MIT Technology Review Such research may inform diagnosis and treatment of human infertility, Pacey says. Human sperm don’t swim the way that anyone had thought\|Jack J. Lee\|July 31, 2020\|Science News An especially astute doctor might be able to see a patient’s symptoms and try to make a clairvoyant diagnosis. What Does It Mean To Be Clairvoyant?\|Brigid Walsh\|July 26, 2020\|Everything After Z The software doesn’t have to account for every possible diagnosis, like infectious diseases from the tropics. What will astronauts need to survive the dangerous journey to Mars?\|Maria Temming\|July 15, 2020\|Science News Diagnosis of CTE is often considered to be specialized and has to occur at a designated institution like Boston University. Will the NCAA Let Ohio State’s Kosta Karageorge Die in Vain?\|Robert Silverman\|December 1, 2014\|DAILY BEAST I recall being taught during my medical education that a likely diagnosis was neurofibromatosis type 1. The True Story of ‘The Elephant Man’\|Russell Saunders\|November 3, 2014\|DAILY BEAST Accompanying this diagnosis was a description of what her particular death would be like. On Her Own Terms: Why Brittany Maynard Has Chosen to Die\|Gene Robinson\|October 12, 2014\|DAILY BEAST A trip to the doctor resulted in a diagnosis of Glioblastoma multiforme, an especially virulent cancer of the brain. On Her Own Terms: Why Brittany Maynard Has Chosen to Die\|Gene Robinson\|October 12, 2014\|DAILY BEAST No, now I can safely give myself the diagnosis of SCT, which seems much tidier. Daydreaming Is Not a Disorder\|Russell Saunders\|October 4, 2014\|DAILY BEAST On these counts are we to hazard the diagnosis of facial trophoneurosis? Tics and Their Treatment\|Henry Meigne Something has been done of late years, however, to render its diagnosis more easy. Neuralgia and the Diseases that Resemble it\|Francis E. Anstie Is there any difficulty in reaching a diagnosis in scleroderma? Essentials of Diseases of the Skin\|Henry Weightman Stelwagon For assurance, Dr. Elliot was sent for and added his diagnosis. The Clarion\|Samuel Hopkins Adams Until the diagnosis is thoroughly established, soothing applications, such as are employed in acute eczema, are to be advised. Essentials of Diseases of the Skin\|Henry Weightman Stelwagon British Dictionary definitions for diagnosis diagnosis / (ˌdaɪəɡˈnəʊsɪs) / noun plural -ses (-siːz) the identification of diseases by the examination of symptoms and signs and by other investigations an opinion or conclusion so reached thorough analysis of facts or problems in order to gain understanding and aid future planning an opinion or conclusion reached through such analysis a detailed description of an organism, esp a plant, for the purpose of classification Word Origin for diagnosis C17: New Latin, from Greek: a distinguishing, from diagignōskein to distinguish, from gignōskein to perceive, know Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to diagnosis interpretation, investigation, examination, analysis, conclusion, opinion, summary, pronouncement, scrutiny Medical definitions for diagnosis diagnosis [ dī′əg-nō′sĭs ] n. pl. di•ag•no•ses (-sēz) The act or process of identifying or determining the nature and cause of a disease or injury through evaluation of patient history, examination, and review of laboratory data. The opinion derived from such an evaluation. A brief description of the distinguishing characteristics of an organism, as for taxonomic classification. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for diagnosis diagnosis [ dī′əg-nō′sĭs ] Plural diagnoses (dī′əg-nō′sēz) The identification by a medical provider of a condition, disease, or injury made by evaluating the symptoms and signs presented by a patient. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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diagnosis

noun, plural di·ag·no·ses [dahy-uhg-noh-seez]. /ˌdaɪ əgˈnoʊ siz/.

Origin of diagnosis

words often confused with diagnosis

OTHER WORDS FROM diagnosis

WORDS THAT MAY BE CONFUSED WITH diagnosis

Words nearby diagnosis

Example sentences from the Web for diagnosis

British Dictionary definitions for diagnosis

noun plural -ses (-siːz)

Word Origin for diagnosis

Words related to diagnosis

Medical definitions for diagnosis

n. pl. di•ag•no•ses (-sēz)

Scientific definitions for diagnosis

Plural diagnoses (dī′əg-nō′sēz)