Word Study
terephthalic
CIDE DICTIONARY
terephthalic, a. [Terebene + phthalic.].
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. [1913 Webster]
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