pneumonia

Pronunciation

• (UK) IPA ^(key): /njuˈməʊniə/
• (US) IPA ^(key): /nuˈmoʊniə/ or /nəˈmoʊniə/

• Audio (UK)

  (file)

Noun

Singular pneumonia

Plural pneumonias

1. Pneumonia is an acute or chronic inflammation of the lungs caused by viruses, bacteria or other microorganisms.