英语词汇methide怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

　

单词	methide
释义	Definition of methide in English: methide noun ˈmɛθʌɪdˈmiːθʌɪd Chemistry 1The methyl anion CH₃ −, originally specifically in a compound with a metal atom. Later also: any compound that contains this anion or a substituted derivative of it. 2More fully "quinone methide". A quinone derivative with a methylene group in place of one of the oxygen atoms. 3A carbide whose anion is a single carbon atom (C4−), and which gives methane on hydrolysis. Origin Mid 19th century; earliest use found in Edward Frankland (1825–1899), chemist. From meth- + -ide. Definition of methide in US English: methide noun Chemistry 1The methyl anion CH₃ −, originally specifically in a compound with a metal atom. Later also: any compound that contains this anion or a substituted derivative of it. 2More fully "quinone methide". A quinone derivative with a methylene group in place of one of the oxygen atoms. 3A carbide whose anion is a single carbon atom (C4−), and which gives methane on hydrolysis. Origin Mid 19th century; earliest use found in Edward Frankland (1825–1899), chemist. From meth- + -ide.
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更新时间：2025/8/5 6:36:59