Methylene : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: Methylene	by the DICT Development Group
2 results for Methylene
From WordNet (r) 3.0 (2006) [wn]:
methylene n the bivalent radical CH2 derived from methane [syn: methylene group, methylene radical, methylene]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Methylene \Meth"ylene\, n. [F. m[82]thyl[8a]ne, from Gr. [?] wine + [?] wood; -- a word coined to correspond to the name wood spirit.] (Chem.) A 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}. {Methylene blue} (Chem.), an artificial dyestuff consisting of a complex sulphur derivative of diphenyl amine; -- called also {pure blue}.