What does "pneumothorax" mean?

Presence of air inside the pleural cavity, usually caused by injury either to the lung or the chest wall.

What is a synonym for "pneumothorax"?

Common synonyms include: asthma, black lung, bronchitis, cold, croup, emphysema.

Pronounced //ˈnjuː.məʊˌθɔ.ɹæks//.

/ˈnjuː.məʊˌθɔ.ɹæks/ noun

noun ·Rare ·Advanced level

Noun

1
Presence of air inside the pleural cavity, usually caused by injury either to the lung or the chest wall. uncountable, usually
2
abnormal presence of air in the pleural cavity resulting in the collapse of the lung; may be spontaneous (due to injury to the chest) or induced (as a treatment for tuberculosis) wordnet

"This tall and thin young man had a spontaneous pneumothorax."

From pneumo- + thorax.