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单词	mutagen
释义	mutagen noun mu·​ta·​gen ˈmyü-tə-jən  : an agent (such as a chemical or various radiations) that tends to increase the frequency or extent of mutation mutagenic ˌmyü-tə-ˈje-nik  adjective mutagenically ˌmyü-tə-ˈje-ni-k(ə-)lē  adverb Example Sentences Recent Examples on the Web The third treatment, molnupiravir, has not shown high efficacy and has the additional drawback, as a mutagen for SARS-CoV-2, of speeding the creation of new and more viral forms of the virus. William A. Haseltine, Forbes, 13 Apr. 2022 Meanwhile at Kaer Morhen: Rience portals in, attacks Vesemir and Triss, and portals away after stealing the witcher mutagen made from Ciri’s Elder blood. Scott Meslow, Vulture, 17 Dec. 2021 The fallout leads to three samples of an experimental mutagen dropping through the atmosphere and landing on Earth, where a wolf, an alligator, and George are all infected. Tasha Robinson, The Verge, 11 Apr. 2018 The main villain is not Shredder, but instead a cat named Old Hob, who was also transformed by the same mutagen that brought The Turtles to their current state. Dak, WIRED, 20 June 2012 Word History Etymology International Scientific Vocabulary mutation + -gen First Known Use 1933, in the meaning defined above Medical Definition mutagen noun mu·​ta·​gen ˈmyüt-ə-jən  : a substance (as a chemical or various radiations) that tends to increase the frequency or extent of mutation
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