noun
- The first form of penicillin that was isolated in Great Britain. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). penicillin f. Retrieved September 23, 2026, from http://smartdefine.org/penicillin_f/definitions/1206652 |
| Chicago | WordNet. 2010. "penicillin f" http://smartdefine.org/penicillin_f/definitions/1206652 (accessed September 23, 2026). |
| Harvard | WordNet 2010, penicillin f, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/penicillin_f/definitions/1206652>. |
| MLA | WordNet. "penicillin f" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/penicillin_f/definitions/1206652> |