(n.) A condition in which air or other gas is present in the cavity of the chest; -- called also pneumatothorax.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). pneumothorax. Retrieved September 25, 2026, from http://smartdefine.org/pneumothorax/definitions/2046778 |
| Chicago | Webster's. 2011. "pneumothorax" http://smartdefine.org/pneumothorax/definitions/2046778 (accessed September 25, 2026). |
| Harvard | Webster's 2011, pneumothorax, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/pneumothorax/definitions/2046778>. |
| MLA | Webster's. "pneumothorax" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/pneumothorax/definitions/2046778> |