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phosphoric acid
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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.
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Origin of phosphoric acid
First recorded in 1785–95
Words nearby phosphoric acid
phosphoresce, phosphorescence, phosphorescent, phosphoreted, phosphoric, phosphoric acid, phosphoric anhydride, phosphorism, phosphorite, phosphorize, phosphoro-
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How to use phosphoric acid in a sentence
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 4Systematic name: phosphoric(V) acid
any oxyacid of phosphorus produced by reaction between phosphorus pentoxide and waterSee also metaphosphoric acid, pyrophosphoric acid, hypophosphoric acid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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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.
The American Heritage® Science Dictionary
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