n(y)üˈmōnyə, nəˈm-, -ōnēə noun
( -s )
Etymology: New Latin, from Greek pneumonia, from pneumon-, pneumōn lung, alteration (influenced by pnein to breathe) of pleumōn lung — more at sneeze , pulmonary
: a disease of the lungs characterized by inflammation and consolidation followed by resolution and caused by microorganisms, viruses, chemical irritants, or foreign bodies — see bronchopneumonia , lobar pneumonia , primary atypical pneumonia