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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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  • Phosphorism

    [fos-fuh-riz-uh m] /ˈfɒs fəˌrɪz əm/ noun, Pathology. 1. chronic phosphorus poisoning. /ˈfɒsfəˌrɪzəm/ noun 1. poisoning caused by prolonged exposure to phosphorus phosphorism phos·pho·rism (fŏs’fə-rĭz’əm) n. Chronic phosphorus poisoning.

  • Phosphorite

    [fos-fuh-rahyt] /ˈfɒs fəˌraɪt/ noun 1. a sedimentary rock sufficiently rich in phosphate minerals to be used as a source of phosphorus for fertilizers. /ˈfɒsfəˌraɪt/ noun 1. a fibrous variety of the mineral apatite 2. any of various mineral deposits that consist mainly of calcium phosphate

  • Phosphorize

    [fos-fuh-rahyz] /ˈfɒs fəˌraɪz/ verb (used with object), phosphorized, phosphorizing. 1. (def 1).

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