actinomycin
noun
ac·ti·no·my·cin ˌak-(ˌ)ti-nō-ˈmī-sᵊn 
-tə-nō-;
ak-ˌti-nō-
: 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
Word History
Etymology
New Latin Actinomyces actinomyces + -in entry 1
First Known Use
1940, in the meaning defined above
Medical Definition
actinomycin
noun
ac·ti·no·my·cin -ˈmīs-ᵊn
: 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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- pullable
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- pulldevil
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- pulled off