Definition of “penicillin” - English Dictionary

british dictionary

“penicillin” in British English

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penicillinnoun [ U ]

uk /ˌpen.əˈsɪl.ɪn/ us /ˌpen.əˈsɪl.ɪn/

a type of antibiotic (= a medicine that kills bacteria)

(Definition of “penicillin” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“penicillin” in American English

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penicillinnoun [ U ]

us /ˌpen·əˈsɪl·ən/

(Definition of “penicillin” from the Cambridge Academic Content Dictionary © Cambridge University Press)