methylene
noun/ˈmɛθɪliːn/
Etymology French méthylène, from Ancient Greek μέθυ (méthu, “wine”) + ὕλη (húlē, “wood”). By surface analysis, meth- + -ylene.
1
Chemistry, Natural sciences, Organic chemistry, Physical sciences The divalent group –CH₂– in which the free valencies are part of single bonds.
2
Chemistry, Natural sciences, Organic chemistry, Physical sciences The same group, present as a repeating unit, in aliphatic compounds with names such as hexamethylenediamine.
3
Chemistry, Natural sciences, Organic chemistry, Physical sciences The unstable carbene :CH₂
- Synonyms
- methene
- Derived terms
35 terms
chloromethylene, decamethonium, demecarium, dimethylene, exomethylene, hexamethonium, medronic acid, methenamine, methoctramine, methylenation, methylene-bis-ortho-chloroaniline, methylene blue, methylene chloride, methylenecyclopentadiene, methylenecyclopropane, methylene dichloride, methylenedioxy, methylenedioxyamphetamine, methylenediphosphonate, methylene diphosphonate, methylenetetrahydrofolate, methylenic, new methylene, octamethylene, oxymethylene, pentamethylene, pentamethylenediamine, polymeric methylene diphenyl diisocyanate, polymethylene, polyoxybenzylmethylenglycolanhydride, polyoxymethylene, suxamethonium, tetramethylene, trimethylene, trioxymethylene- Related terms
- methylenomycin, methylidene