: a crystalline nonhygroscopic acid that is used in the form of its potassium salt C16H17KN2O5S and has antibacterial action similar to penicillin G and is more resistant to inactivation by gastric acids
called also phenoxymethyl penicillin
Cite this Entry
“Penicillin V.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/penicillin%20V. Accessed 13 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share