adjective Chemistry.

containing a tolyl group; cresyl.

Origin of tolyl

First recorded in 1865–70; tol(uene) + -yl Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for tolyl



(modifier) of, consisting of, or containing any of three isomeric groups, CH 3 C 6 H 4 -, derived from toluenetolyl group or radical
Also: α-tolyl (modifier) another word for benzyl

Word Origin for tolyl

C19: from tolu (see toluene) + -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

tolyl in Science



The group C7H7, derived from toluene.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.