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TOEFL IELTS BNC: 4653 COCA: 5712

dioxide

dioxide /daɪˈɑːkˌsaɪd/ noun
plural dioxides
dioxide
/daɪˈɑːkˌsaɪd/
noun
plural dioxides
Learner's definition of DIOXIDE
[count] chemistry
: a molecule that has two atoms of oxygen and one atom of another element (such as carbon)二氧化物 see also carbon dioxide, sulfur dioxide

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