noun
- A medicine used to treat allergies and hypersensitive reactions and colds; works by counteracting the effects of histamine on a receptor site. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). antihistamine. Retrieved September 21, 2026, from http://smartdefine.org/antihistamine/definitions/1201249 |
| Chicago | WordNet. 2010. "antihistamine" http://smartdefine.org/antihistamine/definitions/1201249 (accessed September 21, 2026). |
| Harvard | WordNet 2010, antihistamine, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/antihistamine/definitions/1201249>. |
| MLA | WordNet. "antihistamine" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/antihistamine/definitions/1201249> |