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

Origin and Etymology of phthalic acid

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


phthalic anhydride

noun

Definition of phthalic anhydride

: a crystalline cyclic acid anhydride C8H4O3 used especially in making alkyd resins

First Known Use of phthalic anhydride

1855

in the meaning defined above

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Medical Dictionary

phthalic acid

noun phthal·ic acid \ ˌthal-ik- \

medical Definition of phthalic acid

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

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