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-yl

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Chemistry.
a suffix used in the names of radicals: ethyl.
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Origin of -yl

<French -yle<Greek hȳ́lē matter, wood, substance
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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British Dictionary definitions for -yl

-yl

suffix
(in chemistry) indicating a group or radicalmethyl; carbonyl

Word Origin for -yl

from Greek hulē wood, matter
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

Scientific definitions for -yl

-yl

A suffix used to form the chemical names of organic compounds when they are radicals (parts of larger compounds), such as ethyl and phenyl.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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