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methyl

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meth⋅yl

  [meth-uhl]
Use methyl in a Sentence
–adjective Chemistry.
containing the methyl group.
Origin:
1835–45; by back formation from methylene

Related forms:
me⋅thyl⋅ic  [me-thil-ik, muh-] , adjective
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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 Dictionary, © Random House, Inc. 2009.
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meth·yl   (měth'əl)   
n.  The univalent hydrocarbon radical, CH3-, derived from methane and occurring in many important organic compounds.

[French méthyle, back-formation from méthylène, methylene; see methylene.]
me·thyl'ic (mə-thĭl'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

methyl 
"univalent hydrocarbon radical," 1844, from Ger. methyl (1840) or Fr. méthyle, back-formation from Fr. méthylène, coined in Fr. 1835 from Gk. methy "wine" + hyle "wood." The word was introduced by Swed. chemist Jöns Jakob Berzelius (1779-1848).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: meth·yl
Pronunciation: 'meth-&l, Brit also 'mE-"thIl
Function: noun
: an alkyl group CH3 that is derived frommethane by removal of one hydrogen atom —me·thyl·ic /m&-'thil-ik/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

methyl meth·yl (měth'əl)
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.
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