| itaconic | <chemistry> Pertaining to, or designating, an acid, C5H6O4, which is obtained as a white crystalline substance by decomposing aconitic and other organic acids. Origin: From aconitic, by transposition of the letters. Source: Websters Dictionary (01 Mar 1998) |
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| itaconic acid | CH2==C(COOH)CH2COOH;the decarboxylation product of cis-aconitic acid. Synonym: methylenesuccinic acid. (05 Mar 2000) |