ketone
noun
ke·tone
| \ ˈkē-ˌtōn
\
\
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
ketonic
\ kē-ˈtä-nik
\
adjective
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adjective
Examples of ketone in a Sentence
Recent Examples on the Web
It is thought that eating a 4:1 ratio of fat to carbohydrate forces the body to burn molecules called ketones for energy instead of carbohydrates. — Isabel Derera, The Conversation, "CBD and genetic testing provide hope for ‘intractable’ epilepsy in children," 25 July 2019 It should be emphasized that for people with diabetes, however, ketones can build up and lead to diabetic ketoacidosis, a serious medical condition. — Molly Kimball, nola.com, "The do’s and don’ts of the high-fat, low-carb keto diet: Best of Molly Kimball," 11 June 2019 The exhaust from this, ketones, will not only keep your brain going during those periods of fasting and hunger but will actually improve cognition, grow the connections between neurons, and stave off neurodegeneration. — Rahul Jandial, Md, Health.com, "The Popular Diet One Neurosurgeon Swears By as a Way to Boost His Brainpower," 5 June 2019 Metabolic switching between glucose and ketones is when cognition is best and degenerative diseases are kept at bay. — Rahul Jandial, Md, Health.com, "The Popular Diet One Neurosurgeon Swears By as a Way to Boost His Brainpower," 5 June 2019 For an alternative source of energy, your liver will start to convert fat into ketones, which will then be released into the bloodstream and be used by your cells for energy. — Karla Walsh, Woman's Day, "The Ultimate Keto Diet Foods List of What You Can (and Can't) Eat," 28 Dec. 2018 This time, the doctor found something called ketones in my urine, which meant my body was breaking down more of itself for energy than is safe. — Jenn Morson, Redbook, "A Rare Condition While I Was Pregnant Nearly Killed Me and My Baby," 5 Sep. 2017 Pricey keto supplements include ingredients like ketones designed to suppress appetite, electrolytes for the dehydrating effects of the diet, certain vitamins and minerals, and even caffeine. — Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "Keto Diet Pills and Supplements May Hurt Your Health and Waste Your Money," 16 Jan. 2019 Here in the 21st century: Taking supplemental ketones to help enhance this biological process will likely decrease appetite by raising blood levels of ketone bodies. — Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "Keto Diet Pills and Supplements May Hurt Your Health and Waste Your Money," 16 Jan. 2019These 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
ke·tone
| \ ˈkē-ˌtōn
\
\
Medical Definition of ketone
: an organic compound (as acetone) with a carbonyl group attached to two carbon atoms