WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / O / optical opacity optical opacity noun 15 letters Scrabble 25 WWF 29 Definitions noun opacity to light Look “optical opacity” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →