methylene

名词 n.
中文释义

英文释义

名词 n.
  1. The divalent group –CH₂– in which the free valencies are part of single bonds. countable,uncountable
  2. The same group, present as a repeating unit, in aliphatic compounds with names such as hexamethylenediamine. countable,uncountable
  3. The unstable carbene :CH₂ countable,uncountable

词形变化

methylenes plural

词汇关系

近义词
methene
衍生词
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
相关词
methylenomycin methylidene

词源

Etymology tree
French méthylène
English methylene
French méthylène, from Ancient Greek μέθυ (méthu, “wine”) + ὕλη (húlē, “wood”). By surface analysis, meth- + -ylene.
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