WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / atomic number 84 atomic number 84 noun 16 letters Scrabble 20 WWF 26 Definitions noun a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor popolonium Look “atomic number 84” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →