penicillin V

noun
\ -ˈvē How to pronounce penicillin V (audio) \

Medical Definition of penicillin V

: 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

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