WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / R / refractivity refractivity noun 12 letters Scrabble 23 WWF 24 Definitions noun the physical property of a medium as determined by its index of refraction refractiveness Look “refractivity” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →