adjective Terephthalic adj. (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.
Collaborative International Dictionary of English 0.48
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