trioxideDict.lkDict.lk - Sinhala to English DictionaryMeaning trioxide Tweet Sinhala Dictionary definitions for trioxidetrioxide 🔊trioxide : ට්රයොක්සයිඩ්trioxide definitionNoun. An oxide containing three atoms of oxygen; as, sulphur trioxide, SO3; -- formerly called tritoxide.Lern More AboutWiki Definition: trioxideGoogle Search result: GoogleWiki Article: Wikipedia Tweet