sulfur dioxide

sulfur dioxide
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

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[NF] a colorless, nonflammable, water soluble gas, SO2, with a strong, irritating odor; used as an antioxidant in pharmaceutical preparations. It is also an important air pollutant, irritating to the eyes and respiratory tract, usually the product of incomplete combustion of coal, oil, and gasoline. Called also sulfurous anhydride.

Medical dictionary. 2011.

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Look at other dictionaries:

  • 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 — 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 — sieros(IV) oksidas statusas T sritis chemija formulė SO₂ atitikmenys: angl. sulfur dioxide; sulfur(IV) oxide rus. сернистый ангидрид; сернистый газ; серы двуокись; серы диоксид; серы(IV) оксид ryšiai: sinonimas – sieros dioksidas …   Chemijos terminų aiškinamasis žodynas

  • sulfur dioxide — sulfur di oxide the American spelling of ↑sulphur dioxide …   Dictionary of contemporary English

  • 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 — noun (U) the American spelling of sulphur dioxide …   Longman dictionary of contemporary English

  • 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

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