olefinDict.lkDict.lk - Sinhala to English DictionaryMeaning olefin Tweet Sinhala Dictionary definitions for olefinolefin 🔊 /owˈlʌfɪn/olefin : අසන්තෘප්ත හයිඩ්රොකාබනයක්Lern More AboutWiki Definition: olefinGoogle Search result: GoogleWiki Article: Wikipedia Tweet