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n. Chemistry
An organic group having the general formula RCO-, derived from an organic acid.

[ac(id) + -yl.]
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.


1. (Chemistry) (modifier) of, denoting, or containing the monovalent group of atoms RCO-, where R is an organic group: acyl group or radical; acyl substitution.
2. (Elements & Compounds) an organometallic compound in which a metal atom is directly bound to an acyl group
[C20: from acid + -yl]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈæs ɪl, -il)

the univalent group RCO–, where R is any organic group attached to one bond of the carbonyl group.
[1895–1900; < German]
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.acyl - any group or radical of the form RCO- where R is an organic group; "an example of the acyl group is the acetyl group"
acetyl, acetyl group, acetyl radical, ethanoyl group, ethanoyl radical - the organic group of acetic acid (CH3CO-)
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
foryml - (chemistry) the negative univalent acyl radical CHO that occurs in aldehydes
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Gene GenBank ID Description name ACP1 JQ806272.1 Jatropha curcas plastid acyl carrier protein 1 mRNA KASU NM_001306021.1 Jatropha curcas 3-oxoacyl-[acyl-carrier-protein] synthase II, chloeoplastic (LOC105638018), mRNA D9SD JQ806303.1 Jatropha curcas delta-9-estearoyl-acyl carrier protein desaturase mRNA FAD2-1 JQ806297.1 Jatropha curcas fatty acid desaturase 2 mRNA FAD2-2 JQ806301.1 Jatropha curcas delta-12-acyl-lipid desaturase mRNA Actin NM_001308728.1 Jatropha curcas actin-7 (LQC105645143), mRNA Gene -Sequence identity (%)- name J.
Pemble 4th, "Chasing acyl carrier protein through a catalytic cycle of lipid A production," Nature, vol.
Zhang et al., "Male Sterile2 encodes a plastid-localized fatty acyl carrier protein reductase required for pollen exine development in Arabidopsis," Plant Physiology, vol.