penicillin O
English
Noun
penicillin
O
(
uncountable
)
(
pharmacology
)
A type of
penicillin
, C
13
H
16
N
2
O
4
S, isolated from
Penicillium chrysogenum
that is used to treat
bacterial
infections.
Synonyms
almecillin
allylmercaptomethylpenicillin