: any of a class of organic compounds (such as acetone) characterized by a carbonyl group attached to two carbon atoms
Examples of ketone in a Sentence
Recent Examples on the Web
While specific products aren’t banned, the law states judges enforcing the measure could consider the inclusion of ingredients including creatine, green tea extract and raspberry ketone.
—
Maysoon Khan, Fortune, 26 Apr. 2024
Listed below are the top BHB ketone supplement, 2022.
—Amber Smith, Discover Magazine, 7 Jan. 2024
At that instance, the body ketone level appreciates immensely.
—Amber Smith, Discover Magazine, 7 Jan. 2024
This stimulant-free fat-loss tool uses multiple pathways and established ingredients like raspberry ketones and green coffee bean extract to put your body in fat-melting mode without having to move an inch!
—Discover Magazine, 6 Jan. 2024
The breakdown of fat results in compounds called ketones, hence the name ketosis.
—Bruce Y. Lee, Forbes, 18 Feb. 2024
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
Those ketones become an energy source for the brain in place of glucose, its typical fuel.6
Physiological or molecular fasting is maintained if glucose and insulin levels remain low while ketone levels remain high.
—Cynthia Sass, Mph, Rd, Health, 5 Sep. 2023
When too many ketones build up in a person with diabetes’ blood, their body is at risk of entering a life-threatening state called diabetic ketoacidosis (DKA), according to the US National Library of Medicine.
—Carolyn L. Todd, SELF, 1 Nov. 2023
Maysoon Khan, Fortune, 26 Apr. 2024
Listed below are the top BHB ketone supplement, 2022.
—Amber Smith, Discover Magazine, 7 Jan. 2024
At that instance, the body ketone level appreciates immensely.
—Amber Smith, Discover Magazine, 7 Jan. 2024
This stimulant-free fat-loss tool uses multiple pathways and established ingredients like raspberry ketones and green coffee bean extract to put your body in fat-melting mode without having to move an inch!
—Discover Magazine, 6 Jan. 2024
The breakdown of fat results in compounds called ketones, hence the name ketosis.
—Bruce Y. Lee, Forbes, 18 Feb. 2024
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
Those ketones become an energy source for the brain in place of glucose, its typical fuel.6
Physiological or molecular fasting is maintained if glucose and insulin levels remain low while ketone levels remain high.
—Cynthia Sass, Mph, Rd, Health, 5 Sep. 2023
When too many ketones build up in a person with diabetes’ blood, their body is at risk of entering a life-threatening state called diabetic ketoacidosis (DKA), according to the US National Library of Medicine.
—Carolyn L. Todd, SELF, 1 Nov. 2023
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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Cite this Entry
“Ketone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ketone. Accessed 4 May. 2024.
Copy CitationMedical Definition
ketone
noun
ke·tone
ˈkē-ˌtōn 
: an organic compound (as acetone) with a carbonyl group attached to two carbon atoms
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