[fen-l, feen-l]

adjective Chemistry.

containing the phenyl group.

Origin of phenyl

First recorded in 1840–50; phen- + -yl Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for phenyl

Historical Examples of phenyl

British Dictionary definitions for phenyl



(modifier) of, containing, or consisting of the monovalent group C 6 H 5, derived from benzenea phenyl group or radical
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

Word Origin and History for phenyl

radical base of phenol, 1850, from French phényle; see pheno-.

Online Etymology Dictionary, © 2010 Douglas Harper

phenyl in Medicine




The univalent radical of phenol.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

phenyl in Science


[fĕnəl, fēnəl]

The radical C6H5, derived from benzene by the removal of one hydrogen atom.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.