How to Use ketone in a Sentence

ketone

noun
Definition of ketonenext
  • These ketones can be used by the body and brain for energy.
    — Sheah Rarback, miamiherald, 16 Apr. 2018
  • The tank car may have held a flammable liquid in it called methyl isobutyl ketone, used as a solvent.
    — Doha Madani, NBC News, 10 Sep. 2019
  • When excess ketones build up in the body, blood becomes acidic.
    — Cynthia Sass, Mph, Health.com, 14 Oct. 2019
  • These ketones then travel to the brain and feed the brain, replacing glucose.
    — Susie Neilson, The Cut, 26 Jan. 2018
  • This is a state in which fat stores in the body are broken down into ketones, which then fuel the muscles and brain.
    — Liz Krieger, Harper's BAZAAR, 18 Sep. 2017
  • The body begins to break down muscle and fat for energy, which causes a buildup of acids – called ketones – in the blood and urine.
    — Adrianna Rodriguez, USA TODAY, 25 May 2023
  • Your body then tries to burn it off, which causes your liver to produce ketones.
    — Danielle Weiss, Verywell Health, 29 Aug. 2023
  • The byproduct is ketones, which can be used for fuel instead.
    — Sandy Bauers, Philly.com, 13 July 2018
  • This occurs when the body stores too many ketones—acids produced as a byproduct of burning fat—and the blood becomes too acidic.
    — Amanda MacMillan, Health, 16 June 2023
  • Excess ketones cause the blood itself to become acidic.
    — Carrie Dennett, The Seattle Times, 20 Aug. 2018
  • There, the fat converts to ketones and releases back into the bloodstream.
    — Cynthia Sass, Mph, Rd, Health, 5 Sep. 2023
  • The breakdown of fat results in compounds called ketones, hence the name ketosis.
    — Bruce Y. Lee, Forbes, 18 Feb. 2024
  • The secondary source of energy is called ketones (hence the name ketosis).
    — Melissa Matthews, Men's Health, 2 May 2023
  • While the fat is broken down, your breath can smell sweeter thanks to the release of ketones, including acetone, as a byproduct.
    — Courtney Linder, Popular Mechanics, 12 Dec. 2019
  • 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, 26 Nov. 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, 5 Sep. 2017
  • If the scientists are successful, small rations of the ketone cuisine could boost a soldier’s stamina, and maybe even keep him nourished for days at a time….
    — Bruce Sterling, WIRED, 29 Jan. 2008
  • Take too little, and your glucose levels will rise, filling the body with dangerous levels of ketones.
    — Jacob Brogan, Slate Magazine, 1 May 2017
  • The switch generates the production of ketones, which are energy molecules that are made in the liver.
    — Mark Barna, Discover Magazine, 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, 20 Aug. 2018
  • One type of ketone flooding the brain is beta-hydroxybutyrate, or BHB.
    — Mark Barna, Discover Magazine, 24 Sep. 2018
  • An entirely different set of conditions would be needed if the oxygen was present as a ketone.
    — John Timmer, Ars Technica, 5 Oct. 2022
  • In a recent study, researchers found that, contrary to prevailing thought, glioblastoma tumors can get around the dearth of glucose by feeding on ketone bodies.
    — Jocelyn Kaiser, Science | AAAS, 1 Apr. 2021
  • The most accurate is to measure ketone levels in the bloodstream through commercially-available test kits.
    — Alex Orlando, Discover Magazine, 23 Dec. 2019
  • The most popular low-carb diet is the high-fat keto diet, and Freeman says there’s some positive data to suggest that ketone production might be a good thing for the body.
    — Washington Post, 12 Aug. 2021
  • There will also be add-ons, like a multivitamin and a ketone supplement.
    — Christopher Cason, GQ, 5 June 2018
  • When your body does not have enough carbs to sustain everyday activity, the liver breaks down fat into ketones, which can then be used as energy.
    — Adele Jackson-Gibson, Good Housekeeping, 26 Nov. 2019
  • Virta mails customers devices to record blood sugar, ketones (which indicate low insulin), and blood pressure.
    — Laura Entis, Fortune, 29 June 2017
  • The keto diet deliberately places the body in a state of ketosis, where fat is released from cells and turned into ketones, the body’s plan B for energy production.
    — Kate Morgan, The Cut, 31 Jan. 2018
  • Detecting these early signs is important, though, because when cells can’t get enough glucose, the body breaks fat down into an alternate energy source called ketones.
    — Carolyn L. Todd, SELF, 1 Nov. 2023

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'ketone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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