ketone

[ kee-tohn ]

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

adjective
  1. containing the ketone group.

Origin of ketone

1
1850–55; <German Keton, aphetic alteration of Acetonacetone

Other words from ketone

  • ke·ton·ic [ki-ton-ik], /kɪˈtɒn ɪk/, adjective

Words Nearby ketone

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use ketone in a sentence

British Dictionary definitions for ketone

ketone

/ (ˈkiːtəʊn) /


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

Origin of ketone

1
C19: from German Keton, from Aketon acetone

Derived forms of ketone

  • ketonic (kɪˈtɒnɪk), adjective

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

Scientific definitions for ketone

ketone

[ tōn′ ]


  1. 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.