Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun penicillin_o

1 sense of penicillin o

Sense 1
penicillin O -- (a penicillin that is similar in antibiotic action to penicillin G but is obtained differently)
       => penicillin -- (any of various antibiotics obtained from Penicillium molds (or produced synthetically) and used in the treatment of various infections and diseases)