noun🔗Share四酸化二窒素A binary compound of nitrogen and oxygen, N2O4, that exists in equilibrium with nitrogen dioxide NO2; it is a powerful oxidizing agent and is used in rocket propellants."Because of its effectiveness as an oxidizer, dinitrogen tetroxide is often used in rocket fuel to help ignite the propellant. "酸化剤としての有効性から、四酸化二窒素は推進剤の点火を助けるためにロケット燃料によく使用されます。compoundsubstancechemistryfuelsciencematerialenergytechnicalChat with AIVocabulary GamePractice Reading