sulphur dioxide 1
noundomain: substance
Princeton WordNet [ver.3.1]
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EnglishDefinition
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
Hypernym
dioxide 1
noun
an oxide containing two atoms of oxygen in the molecule
pollutant 1
noun
waste matter that contaminates the water or air or soil
gas 2
noun
a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
acidic oxide 1
noun
an oxide of a nonmetal formed when a nonmetal burns.
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