Dictionary

actinomycin

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

First Known Use of ACTINOMYCIN

1940

actinomycin

noun ac·ti·no·my·cin \-ˈmīs-ən\   (Medical Dictionary)

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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