Definition of pneumonia in English:


Line breaks: pneu|mo¦nia
Pronunciation: /njuːˈməʊnɪə


[mass noun]
Lung inflammation caused by bacterial or viral infection, in which the air sacs fill with pus and may become solid. Inflammation may affect both lungs ( double pneumonia) or only one ( single pneumonia).
More example sentences
  • The commonest infection is a type of pneumonia, a serious lung infection.
  • There are immunisations for several of the infections that can cause pneumonia.
  • The most common type of pneumonia is bronchopneumonia, which affects the bronchioles.


early 17th century: via Latin from Greek, from pneumōn 'lung'.



Pronunciation: /njuːˈmɒnɪk/
More example sentences
  • No vaccine currently is available for pneumonic or bubonic plague.
  • In summary, SARS is a highly contagious and predominantly pneumonic illness.
  • Daily radiographic assessment is essential for monitoring of this potentially rapidly progressive pneumonic illness.

Definition of pneumonia in: