Definition of erythromycin
: a broad-spectrum antibiotic C37H67NO13 produced by an actinomycete (Streptomyces erythreus) and administered orally or topically
First Known Use of erythromycin
Medical Definition of erythromycin
: a broad-spectrum antibiotic C37H67NO13 that is produced by a bacterium of the genus Streptomyces (S. erythreus), resembles penicillin in antibacterial activity, and is effective also against amebas, treponemata, and pinworms; also : a preparation of the salt (as the estolate or stearate) of erythromycin—see ilosone, ilotycin
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