WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / atomic number 17 atomic number 17 noun 16 letters Scrabble 20 WWF 26 Definitions noun a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water) chlorinecl Look “atomic number 17” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →