(n.) A disease, characterized by difficulty of breathing (due to a spasmodic contraction of the bronchi), recurring at intervals, accompanied with a wheezing sound, a sense of constriction in the chest, a cough, and expectoration.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). asthma. Retrieved September 21, 2026, from http://smartdefine.org/asthma/definitions/1976609 |
| Chicago | Webster's. 2011. "asthma" http://smartdefine.org/asthma/definitions/1976609 (accessed September 21, 2026). |
| Harvard | Webster's 2011, asthma, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/asthma/definitions/1976609>. |
| MLA | Webster's. "asthma" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/asthma/definitions/1976609> |