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.

 

© Webster 1913.

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