meth·y·lene /ˈmɛθəˌlin, lən/
亞甲基
meth·y·lene /ˈmɛθəˌlɪn, lən/ 名詞
甲叉,亞甲基,甲撐
Meth·yl·ene n. 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.
Methylene blue Chem., an artificial dyestuff consisting of a complex sulphur derivative of diphenyl amine; -- called also pure blue.
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methylene
n : the bivalent radical CH2 derived from methane [syn: methylene
group, methylene radical]