WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / atomic number 81 atomic number 81 noun 16 letters Scrabble 20 WWF 26 Definitions noun a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores thalliumtl Look “atomic number 81” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →