WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / menadione menadione noun 4 syllables 9 letters Scrabble 12 WWF 15 Definitions noun a form of vitamin K vitamin k3 Look “menadione” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →