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

First Known Use of phthalic acid

1857, in the meaning defined above

History and Etymology for phthalic acid

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

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The first known use of phthalic acid was in 1857

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More Definitions for phthalic acid

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

More from Merriam-Webster on phthalic acid

Britannica.com: Encyclopedia article about phthalic acid

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