WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / O / orthophosphoric acid orthophosphoric acid noun /ɔrθoʊfɑsfɔrɪkæsɪd/ 6 syllables 20 letters Scrabble 37 WWF 38 Definitions noun an acid used in fertilizers and soaps: H3PO4 phosphoric acid Look “orthophosphoric acid” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →