penicillin o is a noun meaning "a penicillin that is similar in antibiotic action to penicillin G but is obtained differently". It carries one recorded sense.
a penicillin that is similar in antibiotic action to penicillin G but is obtained differently
Definitions, synonyms and semantic relations for penicillin o come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.