English

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

 

dioxide

 noun
noun
BrE BrE//daɪˈɒksaɪd//
 
; NAmE NAmE//daɪˈɑːksaɪd//
 
[uncountable, countable] (chemistry)
 
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a substance formed by combining two atoms of oxygen and one atom of another chemical element see also carbon dioxide
See the Oxford Advanced American Dictionary entry: dioxide