phthalic anhydride
noun
: a crystalline cyclic acid anhydride C8H4O3 used especially in making alkyd resins
Word History
First Known Use
1855, in the meaning defined above
Time Traveler
The first known use of phthalic anhydride was
in 1855
Dictionary Entries Near phthalic anhydride
Cite this Entry
“Phthalic anhydride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phthalic%20anhydride. Accessed 28 Sep. 2023.
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Medical Definition
phthalic anhydride
noun
: a crystalline cyclic acid anhydride C8H4O3 that is used especially in making alkyd resins and is a structural part of thalidomide
More from Merriam-Webster on phthalic anhydride
Britannica.com: Encyclopedia article about phthalic anhydride
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