ace·​tyl | \ ə-ˈsē-tᵊl How to pronounce acetyl (audio) , ˈa-sə- How to pronounce acetyl (audio) , ˈa-sə-ˌtēl \

Definition of acetyl

: the radical CH3CO− of acetic acid often used in combination

Examples of acetyl in a Sentence

Recent Examples on the Web Add foods and high-quality supplements such as turmeric, omega-3s, vitamin B12, ginkgo biloba, phosphatidylserine, citicoline and acetyl-l-carnitine to enhance mental clarity and cognitive function. Serena Poon, Forbes, 24 Feb. 2021 The acetyl glycyl beta-alanine ingredient in the formula stood out to Jaliman, who says this peptide will probably help lighten the pigment of a scar while also working to even out skin tone. Maya Gandara,, 15 Apr. 2020 Buemi had a hunch that the same drug ring responsible for moving Molly into South Florida might also be importing the acetyl fentanyl pills. Alex W. Palmer, New York Times, 17 Oct. 2019 Her death was ruled an accidental overdose from fentanyl, acetyl fentanyl and cocaine. Eliza Fawcett,, 17 Oct. 2019 Several years ago, Oberdoerffer followed a hunch that cells might use another simple chemical unit, an acetyl group, on mRNA. Ken Garber, Science | AAAS, 1 July 2019 Cocaine, heroin and acetyl fentanyl were found in his system. Mark Curnutte,, 27 June 2018 In 2016, Chinese customs agents seized 70 kilograms of fentanyl and acetyl fentanyl in a cargo container that was bound for Mexico. Kristina Davis,, 17 June 2018 The coroner, Jonathan Lucas, said that Mr. Petty’s system showed traces of the drugs fentanyl, oxycodone, temazepam, alprazolam, citalopram, acetyl fentanyl and despropionyl fentanyl. Joe Coscarelli, New York Times, 19 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acetyl.' 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 acetyl

1864, in the meaning defined above

History and Etymology for acetyl

borrowed from German Acetyl, from Latin acētum "vinegar" + German -yl -yl — more at acetic acid

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Dictionary Entries Near acetyl

aceturic acid



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Cite this Entry

“Acetyl.” Dictionary, Merriam-Webster, Accessed 21 Jan. 2022.

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More Definitions for acetyl


ace·​tyl | \ ə-ˈsēt-ᵊl How to pronounce acetyl (audio) , ˈas-ət-; ˈas-ə-ˌtēl How to pronounce acetyl (audio) \

Medical Definition of acetyl

: the radical CH3CO of acetic acid

More from Merriam-Webster on acetyl

Nglish: Translation of acetyl for Spanish Speakers


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