WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / C / cosmic radiation cosmic radiation noun /kɑzmɪkreɪdieɪʃən/ 16 letters Scrabble 22 WWF 26 Definitions noun radiation coming from outside the solar system Look “cosmic radiation” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →