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Related to alkyl: alkyl halide, aryl


A univalent group, such as ethyl or propyl, having the general formula CnH2n+1.

[German Alkohol, alcohol (from Medieval Latin alcohol, antimony; see alcohol) + -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. (Elements & Compounds) (modifier) of, consisting of, or containing the monovalent group CnH2n+1: alkyl group or radical.
2. (Elements & Compounds) an organometallic compound, such as tetraethyl lead, containing an alkyl group bound to a metal atom
[C19: from German, from Alk(ohol) alcohol + -yl]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈæl kəl)
any of a series of univalent groups having the general formula CnH2n + 1, as methyl or ethyl.
[1880–85; < German, =Alk(ohol) alcohol + -yl -yl]
al•kyl′ic (-ˈkɪl ɪk) adj.
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.alkyl - any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
ethyl, ethyl group, ethyl radical - the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom
methyl, methyl group, methyl radical - the univalent radical CH3- derived from methane
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Summary: The alkyl polyglucoside market is estimated to surpass revenues worth US$ 1,100 Mn in 2019, and register a Y-o-Y growth at over 8% in 2020.
Alkyl Polyglucoside Market Research Investigates Growth, Analysis by Recent Trends, Development and Forecast to 2029
wherein, in formula (1), each of [R.sup.1] to [R.sup.3] independently is an alkyl group having 1 to 4 carbon atoms, [R.sup.4] is a hydrocarbon group containing an aromatic ring and having 6 to 10 carbon atoms, [R.sup.5] is an alkyl group having 1 to 6 carbon atoms, and "n" is an integer of 0 to 10.
It can be seen from Table-3 that the relative deviation of the calculated values of combustion enthalpies from the experimental values decreases in the case when alkyl groups are sufficiently represented in the amide structure.
The lime soap dispersing agent comprises an alkyl ethoxysulfate surfactant and an alkoxylated polyalkyleneime.
The functionalization of the GNPs was performed by grafting alkyl (alkyl-GNPs) chains to the GNPs' surfaces via chemical reactions between the amine groups of alkyl amines and the carboxyl and epoxy groups of the GNPs.
A successful approach was introduced by incorporating some alkyl chains into the organic framework, which not only suppresses aggregate formation but also enhances the molar extinction coefficient of the organic sensitizer [21]
ORLANDO -- Alkyl glucosides, mild surfactants derived from natural, sustainable sources, have been named allergen of the year by the American Contact Dermatitis Society.
By the use of this solvent system (9: 1(v/v) DMF-H2O mixed solution) the comprehensive study of non-alkyl group substituted viologens and long alkyl chain viologens with bCD is possible.
Alkyl Polyglucosides: From Natural-Origin Surfactants to Prospective Delivery Systems