orthophosphoric acid[-fäs fōr′ik]
orthophosphoric acid definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a clear, colorless, syrupy liquid or a colorless, crystalline solid, HPO, produced from phosphorus or phosphate rock and used in the manufacture of fertilizers, textiles, etc.
Origin: ortho- plush phosphoric
orthophosphoric acid - Medical Definition
See phosphoric acid.