WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / B / barium protoxide barium protoxide noun 16 letters Scrabble 29 WWF 33 Definitions noun an oxide of barium; a whitish toxic powder barium monoxidebarium oxide Look “barium protoxide” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →