orthophosphoric acid

[ awr-thoh-fos-fawr-ik, -for-, awr- ]
/ ˈɔr θoʊ fɒsˈfɔr ɪk, -ˈfɒr-, ˌɔr- /

noun Chemistry.

a colorless, crystalline solid, H3PO4, the tribasic acid of pentavalent phosphorus: used chiefly in fertilizers, as a source of phosphorus salts, and in soft drinks as an acidulant and flavoring agent.

Origin of orthophosphoric acid

First recorded in 1870–75; ortho- + phosphoric acid

British Dictionary definitions for orthophosphoric acid

orthophosphoric acid
/ (ˌɔːθəʊfɒsˈfɒrɪk) /

noun

a colourless soluble solid tribasic acid used in the manufacture of fertilizers and soaps. Formula: H 3 PO 4 Also called: phosphoric acid

Medical definitions for orthophosphoric acid

orthophosphoric acid
[ ôr′thō-fŏs-fôrĭk ]

n.

phosphoric acid