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actinomycin

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noun ac·ti·no·my·cin \ -ˈmī-sᵊn \

Definition of actinomycin

:any of various red or yellow-red mostly toxic polypeptide antibiotics isolated from soil bacteria (especially Streptomyces antibioticus); specifically :one used to inhibit DNA or RNA synthesis

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First Known Use of actinomycin

1940

Medical Dictionary

actinomycin

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noun ac·ti·no·my·cin \ -ˈmīs-ᵊn \

medical Definition of actinomycin

:any of various red or yellow-red mostly toxic polypeptide antibiotics isolated from soil bacteria (especially Streptomyces antibioticus); specifically :one used to inhibit DNA or RNA synthesis

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