isophthalic acid

noun
iso·​phthal·​ic acid

Definition of isophthalic 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

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History and Etymology for isophthalic acid

isophthalic International Scientific Vocabulary is- + phthalic

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Cite this Entry

“Isophthalic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isophthalic%20acid. Accessed 25 Jan. 2021.

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