definitions

ketone

[ kee-tohn ]
/ ˈki toʊn /
|

noun Chemistry.

any of a class of organic compounds containing a carbonyl group, CO, attached to two alkyl groups, as CH3COCH3 or CH3COC2H5.

adjective

containing the ketone group.

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Nearby words

ketol, ketole, ketolysis, ketolytic, ketonaemia, ketone, ketone body, ketone group, ketonemia, ketonic, ketonuria

Origin of ketone

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

Related forms

ke·ton·ic [ki-ton-ik] /kɪˈtɒn ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ketone

British Dictionary definitions for ketone

ketone

/ (ˈkiːtəʊn) /

noun

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

Derived Forms

ketonic (kɪˈtɒnɪk), adjective

Word Origin for ketone

C19: from German Keton, from Aketon acetone
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for ketone

ketone

[ kē′tōn′ ]

n.

Any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for ketone

ketone

[ kē′tōn′ ]

Any of a class of organic compounds having the general formula RCOR′, where R and R′ are hydrocarbon radicals that are both attached to the carbon atom of the carbonyl (CO) group. Acetone is a ketone.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.