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ketone group

noun Chemistry.
  1. the characteristic group occurring in ketones that consists of the carbonyl group attached to two alkyl groups.
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Also called ketone radical.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for ketone group

ketone group

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