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English definition of “sulphur dioxide”

sulphur dioxide

noun [U] UK (US sulfur dioxide)    
a gas that has a strong , unpleasant smell and dissolves in water . It is used in various industrial processes , and can cause air pollution .Specific chemicals, chemical compounds and gasesSubstances and structures in the bodyTypes of chemical
(Definition of sulphur dioxide noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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