ketone
noun
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Definition of ketone
: any of a class of organic compounds (such as acetone) characterized by a carbonyl group attached to two carbon atoms
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Other Words from ketone
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adjective
Examples of ketone in a Sentence
Recent Examples on the Web
The diet spurs the body to produce compounds called ketones from stored fat, using them as a fuel source instead of glucose. — Anne Marie Chaker, WSJ, "This Coffee Is Nice But It Needs More Butter," 26 Nov. 2018 One type of ketone flooding the brain is beta-hydroxybutyrate, or BHB. — Mark Barna, Discover Magazine, "Not So Fast," 24 Sep. 2018 Without it, the body can’t use sugar for energy, causing it to break down fat for fuel, producing acids known as ketones. — Carrie Dennett, The Seattle Times, "It’s a dangerous eating disorder that affects people with diabetes. So why haven’t you heard of it?," 20 Aug. 2018 Some keto adherents also report having pretty atrocious breath, which might be caused by the presence of acetone, a ketone and by-product of fat metabolism, in exhaled breath. — Daniel Schultz, Ms, SELF, "Here’s What You Should Know Before Going on the Keto Diet," 16 Apr. 2018 The byproduct is ketones, which can be used for fuel instead. — Sandy Bauers, Philly.com, "Good fats, bad fats, and why the ketogenic diet matters," 13 July 2018 There will also be add-ons, like a multivitamin and a ketone supplement. — Christopher Cason, GQ, "The Real-Life Diet of "Longest Swim" Star Ben Lecomte, Who Is About to Swim Across the Pacific Ocean," 5 June 2018 Some of the chemicals, known as esters and ketones, are typically used in the flavoring and fragrance industries, while others are used in food processing and incorporated in cleaning products. — Don Behm, Milwaukee Journal Sentinel, "Milorganite mystery: Homegrown fertilizer's new scent has officials sleuthing to identify source of change," 30 Apr. 2018 These ketones can be used by the body and brain for energy. — Sheah Rarback, miamiherald, "Research shows ketogenic diet could be helpful for diabetics | Miami Herald," 16 Apr. 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ketone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for ketone
ketone
noun
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Medical Definition of ketone
: an organic compound (as acetone) with a carbonyl group attached to two carbon atoms
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