ke·tone

(kē′tōn′)

1. Any of a class of organic compounds, such as acetone, characterized by having a carbonyl group in which the carbon atom is bonded to two other hydrocarbon groups and having the general formula R(CO)R′, where R may be the same as R′.

2. See ketone body.

[German Keton, shortening and alteration of Aceton, acetone : Latin acētum, vinegar; see acetum + German -on, n. suff. (alteration of -en, from Greek -ēnē).]

ke·ton′ic (-tŏn′ĭk) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ketone

(ˈkiːtəʊn)

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

[C19: from German Keton, from Aketon acetone]

ketonic adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ke•tone

(ˈki toʊn)

n.

any of a class of organic compounds containing a carbonyl group, CO, attached to two alkyl groups, as CH₃COCH₃.

[1850–55; < German Keton]

ke•ton′ic (-ˈtɒn ɪk) adj.

ke·tone

(kē′tōn′)

Any of a class of organic compounds, such as acetone, having a group consisting of a carbon and an oxygen atom (CO) joined on either side to a carbon atom of a hydrocarbon radical.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

ketone - any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals

nabumetone, Relafen - a nonsteroidal anti-inflammatory drug (trade name Relafen)

Clinoril, sulindac - a nonsteroidal anti-inflammatory drug (trade name Clinoril)

Tolectin, tolmetin sodium - a nonsteroidal anti-inflammatory drug (trade name Tolectin)

acetone, dimethyl ketone, propanone - the simplest ketone; a highly inflammable liquid widely used as an organic solvent and as material for making plastics

organic compound - any compound of carbon and another element or a radical

butanone, methyl ethyl ketone - colorless soluble flammable liquid ketone used as a solvent for resins and as a paint remover and in lacquers and cements and adhesives and cleaning fluids and celluloid

flavin - a ketone that forms the nucleus of certain natural yellow pigments like riboflavin

acetone body, ketone body - a ketone that is an intermediate product of the breakdown of fats in the body; any of three compounds (acetoacetic acid, acetone, and/or beta-hydroxybutyric acid) found in excess in blood and urine of persons with metabolic disorders

Translations

cetonaquetona

cétone

chetone

keton

кетон кетоны

keton

xeton

ketone

n cetona

Mentioned in

References in periodicals archive

To their surprise, the researchers found that the ketones stimulate the Notch signaling pathway, which is known to be critical for regulating stem cell functions such as regenerating damaged tissue.

MIT - Study links certain metabolites to stem cell function in the intestine

International Resource News-August 14, 2019--ALTIVIA Ketones & Additives to acquire Dow's Acetone Derivatives Business

ALTIVIA Ketones & Additives to acquire Dow's Acetone Derivatives Business

14 August 2019 - US-based Altivia Ketones and Additives, LLC, an affiliate of Altivia Petrochemicals, has entered into a definitive agreement under which Altivia will acquire Dow's Acetone Derivatives Business and associated chemical manufacturing assets at Institute, West Virginia, as well as the Institute Industrial Park, the company said.

Altivia Acquires Dow's Acetone Derivatives Business

For starters, remember that the keto diet restricts the intake of carbohydrates to achieve a shift from glucose to ketones as a primary fuel source.

How to Feed Your Brain with the Keto Diet

Exogenous ketones may facilitate ketosis without following a ketogenic diet which involves extreme restrictions on carbohydrate intake (13, 14).

Impact of Ketone Salt Containing Supplement on Cardiorespiratory and Oxidative Stress Response in Firefighters Exercising in Personal Protective Equipment

The study showed that increasing blood ketones by using ketogenic supplementation can reduce seizures without dietary restriction.

Ketogenic diet can help reduce epileptic seizures

Kemmish, Thermal decomposition of poly(aryl ether ketones), Polymer, 28, 2047 (1987).

Stability of Amorphous PEEK in Organic Solvents

Carbohydrates and proteins are greatly reduced in a ketogenic diet, which requires the primary source of food energy to be fat and ketones derived from fat.

Recent KETOGENIC THERAPY Conferences

Instead of deriving energy from glucose or carbohydrates, the body shifts to burning body fat, which produces an energy source known as ketones. This process is known as ketosis.

Why a keto diet is unlike other low-calorie crash diets

[beta]-Hydroxybutyrate, acetoacetate, and acetone ketones are intermediate metabolites of oxidation, mainly of fatty acids.

Pregnancy Ketonemia and Development of the Fetal Central Nervous System

The liver is the primary site of fatty acid [beta]-oxidation from serum-derived fatty acids for the generation of ketones that can subsequently serve as energy substrates for the brain [51-53].

Potential Synergies of [beta]-Hydroxybutyrate and Butyrate on the Modulation of Metabolism, Inflammation, Cognition, and General Health