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methylene

  (mĕth'ə-lēn') pronunciation
n.

A bivalent hydrocarbon radical, CH2-, a component of unsaturated hydrocarbons.

[French méthylène : Greek methu, wine + Greek hūlē, wood, substance.]


 
 
Medical Dictionary: meth·yl·ene
(mĕth'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.

 
WordNet: methylene
Note: click on a word meaning below to see its connections and related words.

The noun has one meaning:

Meaning #1: the bivalent radical CH2 derived from methane
  Synonyms: methylene group, methylene radical


 
Wikipedia: methylene

In chemistry, methylene is a divalent functional group CH2 derived formally from methane. The name "methylene" is used for the following:

Increasing the number of methylene groups in a chain or ring increases the size and lipophilicity of the compound.

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Copyrights:

Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.  Read more
Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company Read more
WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved.  Read more
Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Methylene" Read more

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