ketone

[kee-tohn]

noun

Chemistry.

1. any of a class of organic compounds containing a carbonyl group, CO, attached to two alkyl groups, as CH 3 COCH 3 or CH 3 COC 2 H 5 .

adjective

1. containing the ketone group.

ketone

/ ˈkiːtəʊn, kɪˈtɒnɪk /

noun

1. any of a class of compounds with the general formula R′COR, where R and R′ are alkyl or aryl groups See also acetone

ketone

1. Any of a class of organic compounds having the general formula RCOR|||PRIMARY_STRESS|||, where R and R|||PRIMARY_STRESS||| are hydrocarbon radicals that are both attached to the carbon atom of the carbonyl (CO) group. Acetone is a ketone.

Other Word Forms

• ketonic adjective

Word History and Origins

Origin of ketone¹

1850–55; < German Keton, aphetic alteration of Aceton acetone

Word History and Origins

Origin of ketone¹

C19: from German Keton, from Aketon _acetone

Example Sentences

She died from diabetic ketoacidosis, which causes a dangerous build-up of ketones - a type of acid - and blood sugar spikes at her home in Toowoomba west of Brisbane in January 2022.

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Research at the Buck Institute shows that ketone bodies can best be understood as powerful signaling metabolites affecting brain function in aging and Alzheimer's disease.

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Magistrates were told how she had Type 1 diabetes, and often vomited when her ketone levels were imbalanced, sometimes causing her to need hospital.

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To feed cells that normally subsist on carbs, the liver pumps out molecules called ketones, hence the diet’s name.

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It is about the presence of the ketone body, a substance produced by the liver and used as an energy source when glucose is not available.

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