(anhydride)
81sulphurous anhydride — Sulphur Sul phur, n. [L., better sulfur: cf. F. soufre.] 1. (Chem.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast… …
82Acid anhydride hydrolases — are a class of hydrolase enzymes catalyzes the hydrolysis of a acid anhydride bond.They are classified under EC number 3.6.One well known member of this class is GTPase.ee also* External links* …
83acetic anhydride — n a colorless liquid (CH3CO)2O with a pungent odor and lacrimatory and vesicant action that is used esp. in making acetyl derivatives (as aspirin) * * * a colorless mobile liquid of a pungent acetic odor, the anhydride of acetic acid …
84phthalic anhydride — n a crystalline cyclic acid anhydride C8H4O3 that is used esp. in making alkyd resins and is a structural part of thalidomide * * * a reactive, low molecular weight compound with a wide variety of industrial uses, including the manufacture of… …
85trimellitic anhydride (TMA) flu — influenzalike symptoms in workers inhaling excessive amounts of trimellitic anhydride fumes. See also trimellitic anhydride pneumonitis …
86phthalic anhydride — noun a white cyclic anhydride • Hypernyms: ↑anhydride …
87maleic anhydride — noun : a crystalline cyclic acid anhydride C4H2O3 that gives rise to maleic acid on reaction with water, that reacts readily with dienes in the Diels Alder reaction, and that is used chiefly in the manufacture of alkyd and other resins and in the …
88basic anhydride — Chem. See under anhydride (def. 1). * * * basic anhydride, the oxide of a metal …
89Sulphuric anhydride — Sulphuric Sul*phu ric, a. [Cf. F. sulfurique.] 1. Of or pertaining to sulphur; as, a sulphuric smell. [1913 Webster] 2. (Chem.) Derived from, or containing, sulphur; specifically, designating those compounds in which the element has a higher… …
90Sulphurous anhydride — Sulphurous Sul phur*ous, a. [L. sulphurosus, sulfurosus: cf. F. sulfureux.] 1. Of or pertaining to sulphur. [1913 Webster] 2. (Chem.) (a) Derived from, or containing, sulphur; specifically, designating those compounds in which the element has a… …
