WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / ammonium ion ammonium ion noun 12 letters Scrabble 17 WWF 23 Definitions noun the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion ammonium Look “ammonium ion” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →