noun
- Extremely high fever (especially in children. ).
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). hyperpyrexia. Retrieved September 20, 2026, from http://smartdefine.org/hyperpyrexia/definitions/1246714 |
| Chicago | WordNet. 2010. "hyperpyrexia" http://smartdefine.org/hyperpyrexia/definitions/1246714 (accessed September 20, 2026). |
| Harvard | WordNet 2010, hyperpyrexia, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/hyperpyrexia/definitions/1246714>. |
| MLA | WordNet. "hyperpyrexia" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/hyperpyrexia/definitions/1246714> |