[al-kuh l]Chemistry


containing an alkyl group.


Nearby words

  1. alkoxide,
  2. alkoxy,
  3. alky,
  4. alkyd,
  5. alkyd resin,
  6. alkyl group,
  7. alkyl halide,
  8. alkylate,
  9. alkylating agent,
  10. alkylating drug

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



(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

Medicine definitions for alkyl




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.

Science definitions for alkyl



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.