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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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More Definitions for phthalic anhydride

phthalic anhydride

noun

Medical Definition of phthalic anhydride

: a crystalline cyclic acid anhydride C8H4O3 that is used especially in making alkyd resins and is a structural part of thalidomide

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