(redirected from CH 3 CO)
Also found in: Thesaurus, Medical, Encyclopedia.


 (ə-sēt′l, ăs′ĭ-tl)
The methyl acyl group, CH3CO, formally derived from acetic acid.

ac′e·tyl′ic (ăs′ĭ-tĭl′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.


(ˈæsɪˌtaɪl; əˈsiːtaɪl)
(Chemistry) (modifier) of, consisting of, or containing the monovalent group CH3CO-: acetyl group or radical.
[C19: from acet(ic) + -yl]
acetylic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(əˈsit l, əˈsɛt l, ˈæs ɪ tl)

the univalent group CH3CO–, derived from acetic acid.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acetyl - the organic group of acetic acid (CH3CO-)acetyl - the organic group of acetic acid (CH3CO-)
acyl, acyl group - any group or radical of the form RCO- where R is an organic group; "an example of the acyl group is the acetyl group"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.