Pneumonia is an inflammation of the lungs and causes coughing, fever, difficulty breathing and congestion.(noun)
An example of pneumonia is an inflammation caused by bacteria or a virus that leaves someone coughing and with a fever for a couple of weeks.
See pneumonia in Webster's New World College Dictionary
Origin: ModL < Gr < pneumōn, lung: see pneuma
See pneumonia in American Heritage Dictionary 4
Origin: New Latin
Origin: , from Greek pneumoniā, lung disease
Origin: , alteration (influenced by pneuma, breath)
Origin: of pleumoniā
Origin: , from pleumōn, lung; see pleu- in Indo-European roots.
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