WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / R / radioactivity unit radioactivity unit noun 18 letters Scrabble 26 WWF 29 Definitions noun a measure of radioactivity Look “radioactivity unit” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →