noun
- A powerful vasoconstrictor used to dilate the pupils and relieve nasal congestion. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). phenylephrine. Retrieved September 23, 2026, from http://smartdefine.org/phenylephrine/definitions/1206711 |
| Chicago | WordNet. 2010. "phenylephrine" http://smartdefine.org/phenylephrine/definitions/1206711 (accessed September 23, 2026). |
| Harvard | WordNet 2010, phenylephrine, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/phenylephrine/definitions/1206711>. |
| MLA | WordNet. "phenylephrine" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/phenylephrine/definitions/1206711> |