diagnosis
noun
di·ag·no·sis
ˌdī-ig-ˈnō-səs 
-əg-
plural diagnoses
ˌdī-ig-ˈnō-ˌsēz
-əg-
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
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
3
biology
: a concise technical description of a taxon
Synonyms
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.
Recent Examples on the Web
The eventual diagnosis: a ruptured aneurysm in a pancreatic artery that had caused a massive abdominal hemorrhage, with enough blood loss to bring Junger perilously close to death.
—
Steven Petrow, Washington Post, 19 July 2024
The Princess of Wales made her second public appearance since revealing her cancer diagnosis wearing a favorite designer among royal women
Kate Middleton and Pippa Middleton looked stylish at their joint Wimbledon appearance, but there was a deeper meaning behind both of their outfit choices.
—Stephanie Petit, Peoplemag, 14 July 2024
Kate Middleton will make just her second public appearance since announcing her cancer diagnosis when the Princess of Wales attends the men’s final of Wimbledon on Sunday.
—Daniel Kreps, Rolling Stone, 13 July 2024
Posted online are more than 20,000 files with some Floridians’ most sensitive information: lab results, signed medical release forms, workers compensation records and COVID-19 diagnoses.
—Lawrence Mower, Miami Herald, 12 July 2024
See all Example Sentences for diagnosis 
Steven Petrow, Washington Post, 19 July 2024
The Princess of Wales made her second public appearance since revealing her cancer diagnosis wearing a favorite designer among royal women
Kate Middleton and Pippa Middleton looked stylish at their joint Wimbledon appearance, but there was a deeper meaning behind both of their outfit choices.
—Stephanie Petit, Peoplemag, 14 July 2024
Kate Middleton will make just her second public appearance since announcing her cancer diagnosis when the Princess of Wales attends the men’s final of Wimbledon on Sunday.
—Daniel Kreps, Rolling Stone, 13 July 2024
Posted online are more than 20,000 files with some Floridians’ most sensitive information: lab results, signed medical release forms, workers compensation records and COVID-19 diagnoses.
—Lawrence Mower, Miami Herald, 12 July 2024
See all Example Sentences for diagnosis
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'diagnosis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Diagnosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diagnosis. Accessed 26 Jul. 2024.
Copy CitationKids Definition
diagnosis
noun
di·ag·no·sis
ˌdī-ig-ˈnō-səs
plural diagnoses
-ˈnō-ˌsēz
1
a
: the art or act of identifying a disease from its signs and symptoms
b
: the decision reached by diagnosis
2
a
: a careful study of something especially to determine its nature or importance
b
: the conclusion reached after a study or examination
Medical Definition
diagnosis
noun
di·ag·no·sis
ˌdī-ig-ˈnō-səs, -əg-
plural diagnoses
-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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