isophthalic acid

noun

iso·​phthal·​ic acid

: a crystalline diacid C₆H₄(COOH)₂ isomeric with phthalic acid made usually by oxidation of meta- xylene and used in making synthetic resins and esters for use as plasticizers; meta- benzene-dicarboxylic acid

Word History

Etymology

isophthalic International Scientific Vocabulary is- + phthalic

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