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
Words nearby phosphoric acid
phosphorescence,
phosphorescent,
phosphoreted,
phosphoriboisomerase,
phosphoric,
phosphoric acid,
phosphoric anhydride,
phosphorism,
phosphorite,
phosphorize,
phosphoro-
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-fôr′ĭk ]
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.