Simple Definition of pneumonia
medical : a serious disease that affects the lungs and makes it difficult to breathe
Full Definition of pneumonia
: a disease of the lungs characterized especially by inflammation and consolidation of lung tissue followed by resolution and by fever, chills, cough, and difficulty in breathing and that is caused especially by infection
Examples of pneumonia in a sentence
He caught pneumonia over the winter.
Origin and Etymology of pneumonia
New Latin, from Greek, from pneumōn lung, alteration of pleumōn — more at pulmonary
First Known Use: 1603
PNEUMONIA Defined for Kids
Definition of pneumonia for Students
: a serious illness affecting the lungs that is marked especially by fever, cough, and difficulty in breathing
Medical Definition of pneumonia
: 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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