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
Words nearby orthophosphoric acid
orthopedics,
orthopedist,
orthopercussion,
orthophoria,
orthophosphate,
orthophosphoric acid,
orthophosphorous acid,
orthophthalic acid,
orthophyric,
orthopnea,
orthopneic
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-fôr′ĭk ]
n.
phosphoric acid