Dictionary.com

methyl

[ meth-uhl ]
/ ˈmɛθ əl /
Save This Word!

adjective Chemistry.
containing the methyl group. Abbreviation: Me
QUIZ
SPRINT TO THE FINISH WITH THIS OLYMPICS QUIZ!
Compete in our Olympics quiz to see if you can take home the gold medal in Olympics knowledge.
Question 1 of 10
Where was the Olympics first held?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of methyl

First recorded in 1835–45; by back formation from methylene

OTHER WORDS FROM methyl

me·thyl·ic [me-thil-ik, muh-], /mɛˈθɪl ɪk, mə-/, adjective

Other definitions for methyl (2 of 2)

methyl-

a combining form occurring in the names of chemical compounds in which the methyl group is present: methylamine.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use methyl in a sentence

British Dictionary definitions for methyl

methyl
/ (ˈmiːθaɪl, ˈmɛθɪl) /

noun
(modifier) of, consisting of, or containing the monovalent group of atoms CH 3
an organometallic compound in which methyl groups are bound directly to a metal atom

Derived forms of methyl

methylic (məˈθɪlɪk), adjective

Word Origin for methyl

C19: from French méthyle, back formation from methylene
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 methyl

methyl
[ mĕthəl ]

n.
The alkyl group, often a univalent radical, CH3, derived from methane and occurring in many important organic compounds.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for methyl

methyl
[ mĕthəl ]

The radical CH3, derived from methane.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK