What does ペニシリン mean?
ペニシリン is a Japanese noun meaning “penicillin” in English. It is written as ペニシリン in hiragana, and penishirin in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
アスピリン、ペニシリン、サルファ剤にアレルギーです。
I am allergic to aspirin, penicillin, and sulfa drugs.