- actinomycetin
- ac·ti·no·my·ce·tin -.mī-'sēt-ən n a bacteriolytic fluid substance that is obtained from a soil bacterium of the genus Streptomyces (S. albus) and that lyses various bacteria (as living streptococci or heat-killed colon bacilli)
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ac·ti·no·my·ce·tin (ak″tĭ-no-mi-seґtin) a substance derived from cultures of the actinomycete Streptomyces albus; it lyses dead bacteria.
Medical dictionary. 2011.