azithromycin

== English == === Etymology === From az- +‎ (er)ythromycin. === Pronunciation === (General American) IPA(key): /əˌzɪθ.ɹoʊˈmaɪ.sn̩/ === Noun === azithromycin (uncountable) (pharmacology) A semisynthetic macrolide antibiotic C38H72N2O12 (trademarks Zithromax, Z-PAK) that is derived from erythromycin and is used especially as an antibacterial agent. ==== Synonyms ==== === References === “azithromycin”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.