WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / atomic number 58 atomic number 58 noun 16 letters Scrabble 20 WWF 26 Definitions noun a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group cecerium Look “atomic number 58” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →