WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / O / olefin olefin noun /oʊləfɪn/ 3 syllables 6 letters Scrabble 9 WWF 11 Definitions noun any unsaturated aliphatic hydrocarbon alkeneolefine Look “olefin” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →