WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / B / beta ray beta ray noun /beɪtəreɪ/ 8 letters Scrabble 12 WWF 12 Definitions noun radiation of beta particles during radioactive decay beta radiationelectron radiation Look “beta ray” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →