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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