ketone

American  

[kee-tohn] / ˈki toʊn /

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 .

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adjective

1. containing the ketone group.

ketone British  

/ 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

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ketone Scientific  

/ kē′tōn′ /

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.

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Other Word Forms

• ketonic adjective

Etymology

Origin of ketone

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

Example Sentences

In healthy hearts, energy is mainly generated from fats, with glucose and ketones also contributing.

From Science Daily

From there, the researchers build the structure in stages, adding chemical functional groups, including alcohols, ketones, and amides, while carefully controlling stereochemistry at each step.

From Science Daily

These radicals are highly useful intermediates in natural product synthesis and pharmaceutical research, but most available techniques are designed for aryl ketones rather than simpler alkyl ketones.

From Science Daily

"By switching to a keto diet, ketones are produced and used as an alternative fuel source. This may decrease the chance of developing Alzheimer's by preserving the health of brain cells."

From Science Daily

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.

From BBC