(n.) A swelling produced by gas or air diffused in the cellular tissue.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). emphysema. Retrieved September 21, 2026, from http://smartdefine.org/emphysema/definitions/2002771 |
| Chicago | Webster's. 2011. "emphysema" http://smartdefine.org/emphysema/definitions/2002771 (accessed September 21, 2026). |
| Harvard | Webster's 2011, emphysema, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/emphysema/definitions/2002771>. |
| MLA | Webster's. "emphysema" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/emphysema/definitions/2002771> |