erythromycin

From Streptomyces erythreus +‎ -o- +‎ -mycin (“antibiotic from a Streptomyces strain”).

• (Received Pronunciation) IPA^(key): /ɪˌɹɪθ.ɹə(ʊ)ˈmʌɪ.sɪn/

• Audio (Southern England):

  (file)

• (General American) IPA^(key): /ɪˌɹɪθ.ɹəˈmaɪ.sn̩/

erythromycin (countable and uncountable, plural erythromycins)

1. (pharmacology) An antibiotic similar to penicillin, used for the treatment of a number of bacterial infections.
2. A broad-spectrum macrolide antibiotic C₃₇H₆₇NO₁₃ produced by an actinomycete Saccharopolyspora erythraea (formerly Streptomyces erythreus) and similar in its effects to penicillin, administered orally or topically in the treatment of infections caused by Gram-positive bacteria.

• “erythromycin”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “erythromycin”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.