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单词 maleic acid
释义 ma·le·ic acid
\məˈlēik, -lāik-\ noun
Etymology: maleic from French maléique (in acide maléique maleic acid), alteration of malique malic (in acide malique malic acid) — more at malic acid
: a crystalline unsaturated dicarboxylic acid HOOCCH . CHCOOH obtained usually by catalytic oxidation of benzene or naphthalene or by dehydration of malic acid and used chiefly in making polyester resins; cis-butene-dioic acid — compare cis-trans isomerism a, fumaric acid
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