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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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. 2019 Your doctor will also probably give you a urine test to look for ketones (byproducts from the breakdown of fat), which can help differentiate between type 1 and type 2 diabetes. — Korin Miller, SELF, "The Diabetes Symptom That Finally Helped Nick Jonas Get a Diagnosis," 19 Nov. 2018 The switch generates the production of ketones, which are energy molecules that are made in the liver. — Mark Barna, Discover Magazine, "Not So Fast," 24 Sep. 2018 Excess ketones cause the blood itself to become acidic. — 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 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

These 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.