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

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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