单词	maleic anhydride
释义	maleic anhydride noun : a caustic crystalline cyclic anhydride C4H2O3 used especially in making resins Example Sentences Recent Examples on the Web Water caused increased pressure and temperature in the tank, and a pressure-relief valve lifted, releasing 1,800 pounds of maleic anhydride vapors into the air. Mark Schleifstein, NOLA.com, 3 Jan. 2021 Word History First Known Use 1857, in the meaning defined above
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