[ter-ef-thal-ik, ter-] /ˈtɛr ɛfˈθæl ɪk, ˌtɛr-/
noun, Chemistry.
a white, crystalline, water-insoluble solid, C 8 H 6 O 2 , the para isomer of phthalic acid: used chiefly in the manufacture of resins and textile fibers.
terephthalic acid
a white crystalline water-insoluble carboxylic acid used in making polyester resins such as Terylene; 1,4-benzenedicarboxylic acid. Formula: C6H4(COOH)2


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