pneumonia
noun
pneu·mo·nia
nu̇-ˈmō-nyə 
nyu̇-
: an acute disease that is marked by inflammation of lung tissue accompanied by infiltration of alveoli and often bronchioles with white blood cells (such as neutrophils) and fibrinous exudate, is characterized by fever, chills, cough, difficulty in breathing, fatigue, chest pain, and reduced lung expansion, and is typically caused by an infectious agent (such as a bacterium, virus, or fungus) see bronchopneumonia, pneumocystis carinii pneumonia, primary atypical pneumonia compare pneumonitis
Examples of pneumonia in a Sentence
He caught pneumonia over the winter.
Recent Examples on the Web
Entertainment gossip and news from Newsweek's network of contributors
CNN founder and media mogul Ted Turner was hospitalized due to pneumonia in January, and is now recovering in a rehab center in his home state of Florida.
—
Kevin Lynn, Newsweek, 7 Jan. 2025
Listen to this article Loading your audio article Media mogul Ted Turner was reportedly hospitalized for pneumonia and is recovering in a Florida rehabilitation center.
—Brian Niemietz, New York Daily News, 6 Jan. 2025
Inflammation of the lungs' lining (pleura) that can develop due to a lung infection, such as pneumonia, or an underlying lung condition.
—Lindsay Curtis, Health, 31 Dec. 2024
Brittany died at 32 years old, with her cause of death noted as pneumonia.
—Rebecca Aizin, People.com, 21 Dec. 2024
See all Example Sentences for pneumonia 
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Kevin Lynn, Newsweek, 7 Jan. 2025
Listen to this article Loading your audio article Media mogul Ted Turner was reportedly hospitalized for pneumonia and is recovering in a Florida rehabilitation center.
—Brian Niemietz, New York Daily News, 6 Jan. 2025
Inflammation of the lungs' lining (pleura) that can develop due to a lung infection, such as pneumonia, or an underlying lung condition.
—Lindsay Curtis, Health, 31 Dec. 2024
Brittany died at 32 years old, with her cause of death noted as pneumonia.
—Rebecca Aizin, People.com, 21 Dec. 2024
See all Example Sentences for pneumonia
Dictionary Entries Near pneumonia
Cite this Entry
“Pneumonia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pneumonia. Accessed 18 Jan. 2025.
Copy CitationKids Definition
pneumonia
noun
pneu·mo·nia
n(y)u̇-ˈmō-nyə
: a disease of the lungs marked by inflammation, congestion, fever, cough, and difficulty in breathing and caused especially by infection
Medical Definition
pneumonia
noun
pneu·mo·nia
n(y)u̇-ˈmō-nyə
: an acute disease that is marked by inflammation of lung tissue accompanied by infiltration of alveoli and often bronchioles with white blood cells (as neutrophils) and fibrinous exudate, is characterized by fever, chills, cough, difficulty in breathing, fatigue, chest pain, and reduced lung expansion, and is typically caused by an infectious agent (as a bacterium, virus, or fungus) see bronchopneumonia, lobar pneumonia, pneumocystis carinii pneumonia, primary atypical pneumonia
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