Dictionary

mutagen

noun mu·ta·gen \ˈmyü-tə-jən\

Definition of MUTAGEN

:  an agent (as a chemical or various radiations) that tends to increase the frequency or extent of mutation
mu·ta·gen·ic \ˌmyü-tə-ˈje-nik\ adjective
mu·ta·gen·i·cal·ly \-ni-k(ə-)lē\ adverb
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Origin of MUTAGEN

International Scientific Vocabulary mutation + -gen
First Known Use: 1933
Medical Dictionary

mutagen

noun mu·ta·gen \ˈmyüt-ə-jən\

Medical Definition of MUTAGEN

:  a substance (as a chemical or various radiations) that tends to increase the frequency or extent of mutation

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