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Methylene

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meth⋅yl⋅ene

  [meth-uh-leen]
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–adjective Chemistry.
containing the methylene group.
Origin:
< F méthylène (coined in 1834), equiv. to Gk méth(y) wine (see mead 1 ) + hýl(ē) wood + F -ène -ene, taken to mean “wood-spirits” (vin ou liqueur spiritueuse du bois), though elements of the compound are in the wrong order to give this sense
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Methyldrene 25 - $26.79
Expiration MAY 2011 on all bottles Save another 2% on all re-orders!
NorCalNutrition.com/methyldrene_25
meth·yl·ene   (měth'ə-lēn')   
n.  A bivalent hydrocarbon radical, CH2-, a component of unsaturated hydrocarbons.

[French méthylène : Greek methu, wine; see medhu- in Indo-European roots + Greek hūlē, wood, substance.]
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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Medical Dictionary

Main Entry: meth·y·lene
Pronunciation: 'meth-&-"lEn, -l&n
Function: noun
: a bivalent hydrocarbon radical CH2 derived frommethane by removal of two hydrogen atoms
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

methylene meth·yl·ene (měth'ə-lēn')
n.
A bivalent hydrocarbon radical, CH2, that is a component of unsaturated hydrocarbons and is derived from methane by the removal of two hydrogen atoms.

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