WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / actinon actinon noun /æktənɑn/ 3 syllables 7 letters Scrabble 9 WWF 12 Definitions noun any of a series of radioactive elements with atomic numbers 89 through 103 actinideactinoid Look “actinon” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →