Dictionary.com

Popular Searches

 Thesaurus.com

ketone group

American  

noun

Chemistry.

  1. the characteristic group occurring in ketones that consists of the carbonyl group attached to two alkyl groups.

ketone group British  

noun

  1. chem the functional group of ketones: a carbonyl group attached to the carbon atoms of two other organic groups

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When an osazone is decomposed by boiling with strong acids, the phenyl hydrazine groups break off, leaving a compound containing both an aldehyde and a ketone group.

From Project Gutenberg

The ketone group corresponds to a thermal effect of 53.52 calories.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.