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sulfur dioxide

DEFINITIONS OF: sulfur dioxide

1

n 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

Synonyms:
sulphur dioxide
Type of:
dioxide
an oxide containing two atoms of oxygen in the molecule
pollutant
waste matter that contaminates the water or air or soil
gas
a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
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