terephthalic acid

noun tere·phthal·ic acid \ ˌter-ə(f)-ˈtha-lik- \
|Updated on: 19 May 2018

Definition of terephthalic acid

: a p-dicarboxylic acid C8H6O4 that is obtained especially by oxidation of xylene and is used chiefly in the synthesis of polyesters

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Origin and Etymology of terephthalic acid

International Scientific Vocabulary terebene, mixture of terpenes from distilled turpentine + phthalic acid


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