Meanings
nounpenicillin O (uncountable)
- uncountablemedicineA type of penicillin, C₁₃H₁₆N₂O₄S, isolated from Penicillium chrysogenum that is used to treat bacterial infections.
Synonyms: almecillin, allylmercaptomethylpenicillin
Synonyms & antonyms
nounA type of penicillin, C₁₃H₁₆N₂O₄S, isolated from Penicillium chrysogenum that is used to treat bacterial infections.
Also see
Cite this entry
APA
penicillin O. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/penicillin%20O
MLA
“penicillin O.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/penicillin%20O. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “penicillin O,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/penicillin%20O.
Source: penicillin O on Wiktionary, CC BY-SA 4.0.