Wiktionary
orthophosphoric acid
n. (context inorganic compound English) Ordinary phosphoric acid, H3PO4
WordNet
orthophosphoric acid
n. an acid used in fertilizers and soaps: H3PO4 [syn: phosphoric acid]
Usage examples of "orthophosphoric acid".
It eats ordinary dirt and rock and breathes air and sweats orthophosphoric acid.