noun🔗ShareAny oxide containing three oxygen atoms in each molecule"Sulfur trioxide, a dangerous pollutant, is released during the burning of some fuels. "chemistrycompoundsubstancematerialChat with AIVocabulary GamePractice Reading
noun🔗ShareAny organic compound of general formula R-OOO-R', derived from trioxidane"Chemists are studying this new trioxide to determine its stability at room temperature. "compoundchemistrysubstanceChat with AIVocabulary GamePractice Reading