WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / atomic number 77 atomic number 77 noun 16 letters Scrabble 20 WWF 26 Definitions noun a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium iriridium Look “atomic number 77” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →