The Collaborative International Dictionary
Terephthalic
Terephthalic \Ter`eph*thal"ic\, a. [Terebene + phthalic.] (Chem.) 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.
Wiktionary
terephthalic
a. (context organic chemistry English) Pertaining to, or derived from terephthalic acid or its derivatives
Wikipedia
Usage examples of "terephthalic".
What we have done is to synthesize a lightweight but very strong polymer from alternating monomers of para-phenylenediamine and terephthalic acid.