meth·​yl | \ ˈme-thəl How to pronounce methyl (audio) \

Definition of methyl

: an alkyl radical CH3 derived from methane

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Other Words from methyl

methylic \ mə-​ˈthi-​lik How to pronounce methyl (audio) \ adjective

Examples of methyl in a Sentence

Recent Examples on the Web In fact, more nail polish brands than ever have eliminated methyl acrylate and other potential irritants. Leah Prinzivalli, Allure, "How to Tell If You're Allergic to Your Gel Manicure," 22 Apr. 2021 The formula contains kaolin and bentonite clays to help soak up oils without stripping the skin, along with a sodium methyl cocoyl taurate. Sarah Y. Wu, Marie Claire, "What Experts Want You to Know About Your Skin Type," 7 Apr. 2021 So in the new study, a team of international researchers from Peru, Germany, and the United States looked at an epigenetic process called methylation, in which cells add chemical tags called methyl groups to DNA. Freda Kreier, Science | AAAS, "High-altitude living has changed more than just the genes of some Peruvians," 22 Dec. 2020 For decades, Dutch chemists have tapped sources in China for BMK to manufacture amphetamine, and its cousin, piperonyl methyl ketone, or PMK, used to manufacture MDMA, the main ingredient in ecstasy. Valentina Pop, WSJ, "Mexican Cartels Are Now Cooking Chinese Chemicals in Dutch Meth Labs," 8 Dec. 2020 Some have additives in the form of cobalt chloride or methyl violet. Jeff Lowenfels, Anchorage Daily News, "How to choose poinsettias and Christmas trees," 3 Dec. 2020 Methanol is known as methyl or wood alcohol and is extremely toxic. Harold Mcgee, WSJ, "What Does Outer Space Smell Like?," 24 Oct. 2020 According to the Academy of General Dentistry, the allyl methyl sulfide in coffee, onions and garlic can stay in your bloodstream and be expelled via your breath up to 72 hours after consumption. Sandee Lamotte, CNN, "Bad breath behind that coronavirus mask? 10 reasons -- and remedies -- for your halitosis," 5 May 2020 Farmer and Ryan worked with local sagebrush, which produce copious amounts of methyl jasmonate, an airborne organic chemical that Ryan thought plants were using to ward off insect herbivores. Quanta Magazine, "The Secret Language of Plants," 16 Dec. 2013

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'methyl.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of methyl

1840, in the meaning defined above

History and Etymology for methyl

International Scientific Vocabulary, back-formation from methylene

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Statistics for methyl

Last Updated

27 Apr 2021

Cite this Entry

“Methyl.” Dictionary, Merriam-Webster, Accessed 12 May. 2021.

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More Definitions for methyl


meth·​yl | \ ˈmeth-əl, British also ˈmē-ˌthīl \

Medical Definition of methyl

: an alkyl group CH3 that is derived from methane by removal of one hydrogen atom

Other Words from methyl

methylic \ mə-​ˈthil-​ik How to pronounce methyl (audio) \ adjective

More from Merriam-Webster on methyl

Nglish: Translation of methyl for Spanish Speakers Encyclopedia article about methyl

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