actinomycin

actinomycin

[ak-tin-oh-mahy-sin, ak-tuh-noh-]
noun Pharmacology.
any of a group of related antibiotics derived from several species of streptomyces bacteria, used against susceptible bacteria and fungi and in the treatment of various cancers.

Origin:
actinomyc(es) + -in2

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World English Dictionary
actinomycin (ˌæktɪnəʊˈmaɪsɪn)
 
n
any of several toxic antibiotics obtained from bacteria of the genus Streptomyces, used in treating some cancers; the most commonly used is dactinomycin (actinomycin D)

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American Heritage
Medical Dictionary

actinomycin ac·ti·no·my·cin (āk'tə-nō-mī'sĭn)
n.
Any of a large group of red, often toxic, polypeptide antibiotics isolated from soil bacteria of several species of Streptomyces (originally Actinomyces) that are active against gram-positive bacteria and fungi.

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