WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / atomic number 72 atomic number 72 noun 16 letters Scrabble 20 WWF 26 Definitions noun a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons hafniumhf Look “atomic number 72” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →