后缀:-an ②[名词后缀]
表示人
partisan 同党人
Spartan 斯巴达人
artisan 技工,手艺人
Mohammedan 回教徒,伊斯兰教徒
Puritan 清教徒
Elizabethan 伊丽莎白女王时代的人
castellan 城堡主,寨主
词根词缀:ethyl-
【来源及含义】Greek: upper air, purer air [alcohol and sufuric acid]; in scientific terminology, "volatile, clean-smelling, euphoria-producing liquid composed of alcohol and sufuric acid"
【同源单词】ethanol, ethyl, ethyl cellulose, ethyl gasoline, ethyl tert-butyl ether, ethylamine
词根词缀:metho-, meth-
【来源及含义】a combining form meaning methyl
【同源单词】methane, methanogen, methanogenesis, methanogenic, methanol, methanolic
词根词缀:methyl-, methy-
【来源及含义】Greek: a combining form occurring in the names of chemical compounds in which the methyl group is present; alcohol, wine
【相关描述】A "univalent hydrocarbon radical," 1844, from German methyl (1840) or French méthyle, back-formation from French méthylène, coined in French (1835) from Greek methy, "wine" + hyle, "wood". The word was introduced by Swedish chemist Jöns Jakob Berzelius (1779-1848).
【同源单词】hydroxymethyl, methanol, methylal, methylamine, methylate, methylene