sulfur dioxide gas

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• sulfur dioxide — n a heavy pungent toxic gas SO2 that is easily condensed to a colorless liquid, is used esp. in making sulfuric acid, in bleaching, as a preservative, and as a refrigerant, and is a major air pollutant esp. in industrial areas * * * [NF] a… …   Medical dictionary

• sulfur dioxide — n. a heavy, colorless, suffocating gas, SO2, easily liquefied and used as a bleach, disinfectant, preservative, etc …   English World dictionary

• Sulfur dioxide — Chembox new Name = Sulphur dioxide ImageFileL1 = Sulfur dioxide 2D.svg ImageSizeL1 = 120 ImageFileR1 = Sulfur dioxide 3D vdW.png OtherNames = sulfur(IV) oxide; sulfurous anhydride Section1 = Chembox Identifiers CASNo = CASRN|7|4|4|6|0|9|5… …   Wikipedia

• sulfur dioxide — noun a colorless toxic gas (SO2) that occurs in the gases from volcanoes; used in many manufacturing processes and present in industrial emissions; causes acid rain • Syn: ↑sulphur dioxide • Hypernyms: ↑dioxide, ↑gas, ↑pollutant * * * (US) (or… …   Useful english dictionary

• sulfur dioxide — Chem. a colorless, nonflammable, water soluble, suffocating gas, SO2, formed when sulfur burns: used chiefly in the manufacture of chemicals such as sulfuric acid, in preserving fruits and vegetables, and in bleaching, disinfecting, and… …   Universalium

• sulfur dioxide — sul′fur diox′ide n. chem. a colorless, nonflammable, water soluble, suffocating gas, SO2, formed when sulfur burns: used chiefly in the manufacture of chemicals such as sulfuric acid, in preserving fruits and vegetables, and in bleaching,… …   From formal English to slang

• sulfur dioxide — noun Date: 1869 a heavy pungent toxic gas SO2 that is easily condensed to a colorless liquid, is used especially in making sulfuric acid, in bleaching, as a preservative, and as a refrigerant, and is a major air pollutant especially in industrial …   New Collegiate Dictionary

• sulfur dioxide — noun A toxic gas, of molecular formula SO that is found in the emissions of volcanos and those of burning coal or petroleum; dissolves in water to form sulfurous acid and, in the presence of oxygen, sulfuric acid, and is thus responsible for …   Wiktionary

• sulfur dioxide — sul|fur di|ox|ide [ ,sʌlfər daı ak,saıd ] noun uncount SCIENCE a poisonous gas with a strong smell, used in industry and often a cause of air pollution …   Usage of the words and phrases in modern English

• Sulfur Dioxide — (SO2)   A toxic, irritating, colorless gas soluble in water, alcohol, and ether. Used as a chemical intermediate, in paper pulping and ore refining, and as a solvent.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

• Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine …   Wikipedia