[ al-kuh l ]
/ ˈæl kəl /


containing an alkyl group.


Origin of alkyl

1880–85; < German, equivalent to Alk(ohol) alcohol + -yl -yl Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for alkyl

British Dictionary definitions for alkyl

/ (ˈælkɪl) /


(modifier) of, consisting of, or containing the monovalent group C n H 2 n +1alkyl group or radical
an organometallic compound, such as tetraethyl lead, containing an alkyl group bound to a metal atom

Word Origin for alkyl

C19: from German, from Alk (ohol) alcohol + -yl
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

Medical definitions for alkyl

[ ălkəl ]


A monovalent radical, such as ethyl or propyl, having the general formula CnH2n+1.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for alkyl

[ ălkəl ]

A radical that has the general formula CnH2n+1, formed by removing a hydrogen atom from an alkane. Ethyl and propyl are alkyls.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.