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Found 2 items, similar to Methylene.

Dictionary: dictd_www.dict.org_gcide
Definition: Methylene

Methylene \Meth"yl*ene\, n. [F. m['e]thyl[`e]ne, from Gr. ? wine
+ ? wood; -- a word coined to correspond to the name wood
spirit.] (Chem.)
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.
[1913 Webster]

Dictionary: WordNet
Definition: methylene

methylene
n : the bivalent radical CH2 derived from methane [syn: {methylene
group}, methylene radical]