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1. (n.) sulfur dioxide
a colorless, nonflammable, water-soluble, suffocating gas, SO
Etymology: (1865–70)
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| Definition of 'sulfur dioxide' |
Princeton's WordNet |
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1. (noun) sulfur dioxide, sulphur dioxide
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
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| Definition of 'sulfur dioxide' |
U.S. National Library of Medicine |
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1. sulfur dioxide
A highly toxic, colorless, nonflammable gas. It is used as a pharmaceutical aid and antioxidant. It is also an environmental air pollutant.
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| Alternative search options for 'sulfur dioxide' |
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Definitions of sulfur dioxide 
