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Table of Contents -- methylene
POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
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methylene

RELATED WORDS :

 : 
Noun
 : 
meth=yl=ene

WORDNET DICTIONARY

Noun methylene has 1 sense

CIDE DICTIONARY

methylenen. [F. méthylène, from Gr. wine + wood; -- a word coined to correspond to the name wood spirit.].
     A divalent hydrocarbon radical, -CH2-, not known in the free state, but regarded as an essential residue and component of certain derivatives of methane; as, methylene bromide, CH2Br2; -- formerly called also methene.  [1913 Webster]
Methylene blue (Chem.), an artificial dyestuff consisting of a complex sulphur derivative of diphenyl amine; -- called also pure blue.

OXFORD DICTIONARY

methylene, n. Chem. the highly reactive divalent group of atoms CH2.

Etymology
F m{eacute}thyl{egrave}ne f. Gk methu wine + hule wood + -ENE
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