WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / atomic number 51 atomic number 51 noun 16 letters Scrabble 20 WWF 26 Definitions noun a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite antimonysb Look “atomic number 51” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →