pneumonia pneumonia /nəˈmoʊnjə/

noun

1. () Respiratory disease characterized by inflammation of the lung parenchyma (excluding the bronchi) with congestion caused by viruses, bacteria or irritants  ( pneumonia )
   respiratory disease characterized by inflammation of the lung parenchyma (excluding the bronchi) with congestion caused by viruses, bacteria or irritants
    Pneumonia can be life-threatening if not treated promptly.
   Pneumonia can be life-threatening if not treated promptly.