(anhydride)
91maleic anhydride — noun Date: 1857 a caustic crystalline cyclic anhydride C4H2O3 used especially in making resins …
92phthalic anhydride — noun Date: 1855 a crystalline cyclic acid anhydride C8H4O3 used especially in making alkyd resins …
93acetic anhydride — Chem. a colorless, pungent liquid, C4H6O3, the anhydride of acetic acid: used chiefly as a reagent and in the production of plastics, film, and fabrics derived from cellulose. [1875 80] * * * …
94acid anhydride — Chem. See under anhydride (def. 1). * * * …
95basic anhydride — Chem. See under anhydride (def. 1). * * * …
96acyl anhydride — noun An acid anhydride …
97sulfinic anhydride — noun any compound, of general formula RS(=O) O S(=O)R, that is an acid anhydride of a sulfinic acid …
98acid anhydride — noun A class of organic compounds having two acyl groups bonded to the same oxygen atom. They react with water to give carboxylic acids. Syn: acyl anhydride …
99sulfonic anhydride — noun any compound, of general formula RS(=O)OS(=O)R, that is the acid anhydride of a sulfonic acid …
100phthalic anhydride — noun The acid anhydride of phthalic acid; manufactured by the oxidation of xylene or naphthalene, widely used in the synthesis of dyes, insecticides, plasticizers and pharmaceuticals …