ethyl

noun

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Form Fish oil supplements are available in various forms, the most common being ethyl esters and triglycerides. Lindsay Curtis, Verywell Health, 12 June 2025 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, PEOPLE.com, 14 July 2022 See All Example Sentences for ethyl

Word History

Etymology

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

Browse Nearby Words

Cite this Entry

“Ethyl.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ethyl. Accessed 9 Sep. 2025.

Medical Definition

ethyl

noun
eth·​yl
ˈeth-əl, British also ˈē-ˌthīl
: a monovalent hydrocarbon radical C2H5
ethylic adjective

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