phosphoric acid


noun Chemistry.

any of three acids, orthophosphoric acid, H3PO4, metaphosphoric acid, HPO3, or pyrophosphoric acid, H4P2O7, derived from phosphorus pentoxide, P2O5, and various amounts of water.

Origin of phosphoric acid

First recorded in 1785–95

British Dictionary definitions for phosphoric acid

phosphoric acid

noun

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

Medical definitions for phosphoric acid

phosphoric acid

n.

A clear colorless liquid used in pharmaceuticals. orthophosphoric acid

Scientific definitions for phosphoric acid

phosphoric acid
[ fŏs-fôrĭk ]

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.