WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / P / pyrophosphoric acid pyrophosphoric acid noun 6 syllables 19 letters Scrabble 38 WWF 40 Definitions noun a solid acid formed by reactions of orthophosphoric acid Look “pyrophosphoric acid” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →