WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / atomic number 3 atomic number 3 noun 15 letters Scrabble 20 WWF 26 Definitions noun a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals lilithium Look “atomic number 3” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →