WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / O / optical phenomenon optical phenomenon noun 18 letters Scrabble 28 WWF 35 Definitions noun a physical phenomenon related to or involving light Look “optical phenomenon” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →