- paraphthalic acid
- 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}. [1913 Webster]
The Collaborative International Dictionary of English. 2000.