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| meth·yl·ene [ méthə ln ] |
noun |
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methane derivative: a bivalent group of atoms derived from methane. CH2
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adjective |
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containing methylene group of atoms: relating to the group of atoms derived from methane containing one carbon atom and two hydrogen atoms
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| [Mid-19th century. < French méthylène< Greek methu "wine" + hulē "wood, substance"] |
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