eth·​yl ˈe-thəl How to pronounce ethyl (audio)
: an alkyl radical CH3CH2− derived from ethane
ethylic adjective

Examples of ethyl in a Sentence

Recent Examples on the Web The Spanish Institut de Radioastronomie Millimétrique telescope had detected the presence of ethyl formate. John Wenz, Discover Magazine, 5 July 2018 While each of these forms offer health benefits, ethyl esters have the lowest absorption rate. Amber Smith, Discover Magazine, 4 Apr. 2022 To his point: In 2019, the American Diabetes Association recommended icosapent ethyl for certain patients as part of its official standards of care, based explicitly on the REDUCE-IT results. Jacob Stern, The Atlantic, 5 Aug. 2022 This ensures superior absorption to fish, or algae oils in their triglyceride or ethyl ester forms, and given the presence of polar lipids, including phospholipids and glycolipids, even higher absorption than krill oil. Christopher Marquis, Forbes, 15 July 2022 It's made with ethyl ascorbic acid, the most potent form of vitamin C capable of boosting collagen synthesis and brightening the skin. Lindsey Metrus,, 14 July 2022 The decadent formula melds coconut cream with fresh okra and macadamia ethyl to protect hair from environmental factors. Grooming Playbook, The Salt Lake Tribune, 26 May 2022 The following preferred scent was ethyl butyrate, a fruity, pineapple-like odor. Elizabeth Gamillo, Smithsonian Magazine, 6 Apr. 2022 There was Tetra ethyl led used in making gasoline slugs. Laura Johnston, cleveland, 5 Apr. 2022 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ethyl.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


German Ethyl (now Äthyl), from Äther ether + -yl

First Known Use

1834, in the meaning defined above

Time Traveler
The first known use of ethyl was in 1834

Dictionary Entries Near ethyl

Cite this Entry

“Ethyl.” Dictionary, Merriam-Webster, Accessed 10 Dec. 2023.

Medical Definition


ˈeth-əl, British also ˈē-ˌthīl
: a monovalent hydrocarbon radical C2H5
ethylic adjective

More from Merriam-Webster on ethyl

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