单词	methide
释义	methide noun meth·​ide ˈmeˌthīd plural -s 1 : a binary compound of methyl usually with a metal mercuric methide Hg(CH3)2 2 : a compound that contains a methylene group as part of a quinonoid structure and that is formed as an intermediate in the condensation of a phenol and formaldehyde to yield a resin quinone methide O=C6H4=CH2 Word History Etymology meth- + -ide
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