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
For years after the New Times story, medical examiners continued to send Mash brain tissue and include her diagnoses of excited delirium in their reports.
—
Shira Moolten, Sun Sentinel, 13 Dec. 2024
Mullen discussed his diagnosis during an interview about a new documentary, Left Behind, about a group of mothers trying to open the first public school in New York City for children with dyslexia.
—Jon Blistein, Rolling Stone, 13 Dec. 2024
Her happiness in her life comes amid all the pain she's experienced including her bipolar disorder diagnosis.
—David Oliver, USA TODAY, 12 Dec. 2024
One tangible explanation for Callas losing her voice was her dermatomyositis diagnosis in 1975, a somewhat rare disease that causes muscle inflammation, difficulty swallowing, shortness of breath, weight loss, and more.
—Declan Gallagher, EW.com, 12 Dec. 2024
See all Example Sentences for diagnosis 
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Shira Moolten, Sun Sentinel, 13 Dec. 2024
Mullen discussed his diagnosis during an interview about a new documentary, Left Behind, about a group of mothers trying to open the first public school in New York City for children with dyslexia.
—Jon Blistein, Rolling Stone, 13 Dec. 2024
Her happiness in her life comes amid all the pain she's experienced including her bipolar disorder diagnosis.
—David Oliver, USA TODAY, 12 Dec. 2024
One tangible explanation for Callas losing her voice was her dermatomyositis diagnosis in 1975, a somewhat rare disease that causes muscle inflammation, difficulty swallowing, shortness of breath, weight loss, and more.
—Declan Gallagher, EW.com, 12 Dec. 2024
See all Example Sentences for diagnosis
Articles Related to diagnosis
Dictionary Entries Near diagnosis
Cite this Entry
“Diagnosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diagnosis. Accessed 23 Dec. 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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