WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / R / radioactive dust radioactive dust noun /reɪdioʊæktɪvdəst/ 16 letters Scrabble 22 WWF 25 Definitions noun the radioactive particles that settle to the ground after a nuclear explosion fallout Look “radioactive dust” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →