noun
- A long-acting barbiturate used as a sedative.
- synonyms: sodium thiopental, phenobarbitone, Luminal, purple heart
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). phenobarbital. Retrieved September 22, 2026, from http://smartdefine.org/phenobarbital/definitions/1329366 |
| Chicago | WordNet. 2010. "phenobarbital" http://smartdefine.org/phenobarbital/definitions/1329366 (accessed September 22, 2026). |
| Harvard | WordNet 2010, phenobarbital, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/phenobarbital/definitions/1329366>. |
| MLA | WordNet. "phenobarbital" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/phenobarbital/definitions/1329366> |