phthalic acid

noun phthal·ic acid \ˈtha-lik-\

Definition of PHTHALIC ACID

: any of three isomeric acids C₈H₆O₄ obtained by oxidation of various benzene derivatives

International Scientific Vocabulary, short for obsolete naphthalic acid, from naphthalene

First Known Use: 1857

Medical Dictionary

noun phthal·ic acid \ˌthal-ik-\

: any of three isomeric acids C₈H₆O₄ obtained by oxidation of various benzene derivatives

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