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[noo-mohn-yuh, -moh-nee-uh, nyoo-] /nʊˈmoʊn yə, -ˈmoʊ ni ə, nyʊ-/

noun, Pathology.
inflammation of the lungs with congestion.
Also called lobar pneumonia. an acute disease of the lungs, caused by the bacterium Streptococcus pneumoniae and characterized by fever, a cough with blood-tinged phlegm, and difficult breathing.
inflammation of one or both lungs, in which the air sacs (alveoli) become filled with liquid, which renders them useless for breathing. It is usually caused by bacterial (esp pneumococcal) or viral infection

c.1600, from Modern Latin, from Greek pneumonia “inflammation of the lungs,” from pneumon “lung,” altered (perhaps by influence of pnein “to breathe”) from pleumon “lung,” literally “floater,” probably cognate with Latin pulmo (see pulmonary), from PIE *pleu- “to flow, to swim” (see pluvial). Alteration in Greek perhaps by influence of pnein “to breathe.”

pneumonia pneu·mo·nia (nu-mōn’yə, nyu-)
An acute or chronic disease marked by inflammation of the lungs and caused by viruses, bacteria, or other microorganisms and sometimes by physical and chemical irritants.
An acute or chronic disease marked by inflammation of the lungs, especially an infectious disease caused by viruses, bacteria, or other pathogens, such as mycoplasmas. Individuals with pneumonia often have abnormal chest x-rays that show areas with fluid in the infected part of the lungs.
pneumonia [(nuh-mohn-yuh)]

A disease characterized by inflammation of the lungs. Pneumonia can be caused by many factors, including bacterial infections, viral infections, and the inhalation of chemical irritants.


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