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-

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use phosphoric acid in a sentence

I write the lyrics and work with Murv Douglas from Lords of Acid.
Porn Stars on the Year in Porn: Drone Erotica, Belle Knox, and Wild Sex|Aurora Snow|December 27, 2014|DAILY BEAST
During the height of his disenchantment, he visited his hometown where an old friend gave him some liquid acid.
DJ Spooky Wants You To Question Everything You Know About Music, Technology, and Philosophy|Oliver Jones|December 27, 2014|DAILY BEAST
Eggs, he says, are a good source of cysteine, an amino acid that helps the liver break down alcohol faster.
5 Hangover Cures to Save You After a Few Too Many|DailyBurn|December 19, 2014|DAILY BEAST
This at-home blood test kit gives a full reading of antioxidant, fatty acid, or vitamin panels.
Nothing Says I Love You Like Data|The Daily Beast|December 8, 2014|DAILY BEAST

The recent spate of acid attacks on women is only the latest manifestation of this dangerous trend.
The Nuclear Deal That Iran’s Regime Fears Most|Djavad Khadem|November 22, 2014|DAILY BEAST
There are a number of bacilli, called acid-fast bacilli, which stain in the same way as the tubercle bacillus.
A Manual of Clinical Diagnosis|James Campbell Todd
The amount of the other purin bodies together is about one-tenth that of uric acid.
A Manual of Clinical Diagnosis|James Campbell Todd
Uric acid is decreased before an attack of gout and increased afterward, but its etiologic relation is still uncertain.
A Manual of Clinical Diagnosis|James Campbell Todd
An increase is also noted in the uric-acid diathesis and in diseases accompanied by respiratory insufficiency.
A Manual of Clinical Diagnosis|James Campbell Todd
Indol is absorbed and oxidized into indoxyl, which combines with potassium and sulphuric acid and is thus excreted.
A Manual of Clinical Diagnosis|James Campbell Todd

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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.