naphtheneDict.lkDict.lk - Sinhala to English DictionaryMeaning naphthene Tweet Sinhala Dictionary definitions for naphthenenaphthene 🔊naphthene : නැප්තීන්naphthene definitionNoun. A peculiar hydrocarbon occuring as an ingredient of Caucasian petroleum.Lern More AboutWiki Definition: naphtheneGoogle Search result: GoogleWiki Article: Wikipedia Tweet