(n.) A very dangerous contagious disease in which the air passages, and especially the throat, become coated with a false membrane, produced by the solidification of an inflammatory exudation. Cf. Group.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). diphtheria. Retrieved September 24, 2026, from http://smartdefine.org/diphtheria/definitions/1997868 |
| Chicago | Webster's. 2011. "diphtheria" http://smartdefine.org/diphtheria/definitions/1997868 (accessed September 24, 2026). |
| Harvard | Webster's 2011, diphtheria, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/diphtheria/definitions/1997868>. |
| MLA | Webster's. "diphtheria" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/diphtheria/definitions/1997868> |