WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / atomic number 1 atomic number 1 noun 15 letters Scrabble 20 WWF 26 Definitions noun a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe hhydrogen Look “atomic number 1” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →