noun, Chemistry.
any of three acids, , H 3 PO 4 , metaphosphoric acid, HPO 3 , or pyrophosphoric acid, H 4 P 2 O 7 , derived from phosphorus pentoxide, P 2 O 5 , and various amounts of water.
Also called orthophosphoric acid. a colourless solid tribasic acid used in the manufacture of fertilizers and soap. Formula: H3PO4 Systematic name phosphoric(V) acid
any oxyacid of phosphorus produced by reaction between phosphorus pentoxide and water See also metaphosphoric acid, pyrophosphoric acid, hypophosphoric acid

phosphoric acid phos·phor·ic acid (fŏs-fôr’ĭk)
A clear colorless liquid used in pharmaceuticals. Also called orthophosphoric acid.
phosphoric acid
A clear liquid, or a solid that forms colorless, rhombus-shaped crystals, that is used in fertilizers, detergents, food flavoring, and pharmaceuticals. Chemical formula: H3PO4.


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