WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / atomic number 87 atomic number 87 noun 16 letters Scrabble 20 WWF 26 Definitions noun a radioactive element of the alkali-metal group discovered as a disintegration product of actinium frfrancium Look “atomic number 87” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →