eth·​yl | \ ˈe-thəl How to pronounce ethyl (audio) \

Definition of ethyl

: an alkyl radical CH3CH2− derived from ethane

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Other Words from ethyl

ethylic \ e-​ˈthi-​lik How to pronounce ethylic (audio) \ adjective

Examples of ethyl in a Sentence

Recent Examples on the Web Estimates vary, but its odor detection threshold is probably around 0.1 or 0.2 micrograms per cubic meter, significantly lower than ethyl or methyl mercaptan. Randall Munroe, New York Times, "What’s the World’s Worst Smell?," 17 Feb. 2020 In the lab, to show me examples of the molecule ingredients, Lee unscrews a small vial of ethyl butyrate, a chemical compound found in some wines that gives off a pineapple aroma. Esther Mobley,, "San Francisco startup unveils synthetic wine and sake, made from molecules in a lab," 20 Feb. 2020 Many non-toxic nail polishes are now going further, though, to eliminate others like formaldehyde resin, camphor, ethyl tosylamide, xylene, and TPHP. Lindsay Schallon, Glamour, "13 Healthy, Non-Toxic Nail Polishes That Don’t Chip Immediately," 17 Feb. 2020 The Irish drugmaker estimates the new approval makes Vascepa, which is pronounced vas-EE’-puh and also is called icosapent ethyl, appropriate for up to 15 million U.S. patients. Washington Post, "US approves fish oil-based drug for cutting heart risks," 13 Dec. 2019 The Irish drugmaker estimates the new approval makes Vascepa, which is pronounced vas-EE'-puh and also is called icosapent ethyl, appropriate for up to 15 million U.S. patients. NBC News, "FDA approves first fish-oil drug for cutting cardiac risks," 13 Dec. 2019 Paraquat, the herbicide mentioned before, has a 42.7 percent fatality rate, but that same study found a 2.4 percent rate for glyphosate, another widely used herbicide, and a zero percent fatality rate for one called fenoxaprop-p-ethyl. Dylan Matthews, Vox, "How pesticide bans can prevent tens of thousands of suicides a year," 15 Nov. 2018 But this lightweight formula contains something called ethyl lactyl retinoate, a proprietary blend of lactic acid and retinoids, that works to slowly, gently, and effectively smooth skin and fade discoloration with continued use. Chloe Metzger, Marie Claire, "The 5 Truly Excellent Beauty Products I'm Loving This Week," 10 Oct. 2018 However, quicklya lot of refinery workersbecame seriously ill working with tetra ethyl lead for fuels. star-telegram, "Gasoline: Pump Us Up?," 28 Apr. 2018

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

1834, in the meaning defined above

History and Etymology for ethyl

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

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Time Traveler for ethyl

Time Traveler

The first known use of ethyl was in 1834

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Statistics for ethyl

Last Updated

11 May 2020

Cite this Entry

“Ethyl.” Dictionary, Merriam-Webster, Accessed 8 Jul. 2020.

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More Definitions for ethyl


eth·​yl | \ ˈeth-əl, British also ˈē-ˌthīl \

Medical Definition of ethyl

: a monovalent hydrocarbon radical C2H5

Other Words from ethyl

ethylic \ e-​ˈthil-​ik How to pronounce ethylic (audio) \ adjective

More from Merriam-Webster on ethyl

Rhyming Dictionary: Words that rhyme with ethyl Encyclopedia article about ethyl

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