Bible Dictionaries
Terephthalic

Webster's Dictionary

(a.) Of, pertaining to, or designating, a dibasic acid of the aromatic series, metameric with phthalic acid, and obtained, as a tasteless white crystalline powder, by the oxidation of oil of turpentine; - called also paraphthalic acid. Cf. Phthalic.

Bibliography Information
Webster, Noah. Entry for 'Terephthalic'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/terephthalic.html. 1828.