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Definition of sulphur dioxide noun from the Oxford Advanced Learner's Dictionary

sulphur dioxide

noun
 
/ˌsʌlfə daɪˈɒksaɪd/
 
/ˌsʌlfər daɪˈɑːksaɪd/
(US English sulfur dioxide)
[uncountable]
(symbol SO2)
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  1. a poisonous gas with a strong smell, that is used in industry and causes air pollution note at sulphur
Check pronunciation: sulphur dioxide

Nearby words

trait
noun
 
 
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