Dictionary
sulfur dioxide
noun
chemistry : a gas that has a strong smell, that is used in many industries, and that contributes to air pollution
Full Definition of SULFUR DIOXIDE
: 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 areas
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First Known Use of SULFUR DIOXIDE
1869
Medical Dictionary
sulfur dioxide
noun
Medical Definition of SULFUR DIOXIDE
: 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 areas
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