: 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
In a rat study, raspberry ketone decreased leptin and improved leptin resistance.4
Garcinia cambogia (GC): Hydroxycitric acid is one of the main compounds found in GC and is responsible for its beneficial effects on obesity and inflammation.
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Allison Herries, Verywell Health, 6 Aug. 2024
Whereas both are composed of a two-ringed nitrogen-containing system, quinolones include a ketone, while fluoroquinolones include a fluorine atom.
—New Atlas, 24 July 2024
The keto diet makes your body rely on ketones for energy by restricting carbohydrates and loading up on fat.
—Amanda Gardner, Health, 14 June 2024
Both cat urine and black currant bushes contain varying concentrations of this ketone.
—Popular Science Team, Popular Science, 5 June 2024
See all Example Sentences for ketone 
Allison Herries, Verywell Health, 6 Aug. 2024
Whereas both are composed of a two-ringed nitrogen-containing system, quinolones include a ketone, while fluoroquinolones include a fluorine atom.
—New Atlas, 24 July 2024
The keto diet makes your body rely on ketones for energy by restricting carbohydrates and loading up on fat.
—Amanda Gardner, Health, 14 June 2024
Both cat urine and black currant bushes contain varying concentrations of this ketone.
—Popular Science Team, Popular Science, 5 June 2024
See all Example Sentences for ketone
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“Ketone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ketone. Accessed 11 Sep. 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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