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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1940
First Known Use of actinomycin
1940
Medical Dictionary
actinomycin
play
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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