phosphorous acid
a colorless, crystalline, water-soluble acid of phosphorus, H3PO3, from which phosphites are derived.
Origin of phosphorous acid
1Words Nearby phosphorous acid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use phosphorous acid in a sentence
Provided free phosphorus has not been detected, it is necessary to search for phosphorous acid.
Legal Chemistry | A. NaquetIf the materials contain phosphorous acid, a precipitate of phosphide of silver is formed which should be collected and washed.
Legal Chemistry | A. NaquetIt seems probable that the poisonous gas reacts on the oxyhæmoglobin of the blood, and phosphorous acid is formed.
Poisons: Their Effects and Detection | Alexander Wynter BlythHypophosphor′ic, Hypophos′phorous, containing less oxygen than phosphorous acid contains.
White flaky powder, with an odour of garlic, and rapidly absorbing water to form phosphorous acid.
Cooley's Practical Receipts, Volume II | Arnold Cooley
British Dictionary definitions for phosphorous acid
Also called: orthophosphorous acid a white or yellowish hygroscopic crystalline dibasic acid. Formula: H 3 PO 3: Systematic name: phosphoric acid
any oxyacid of phosphorus containing less oxygen than the corresponding phosphoric 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 phosphorous acid
[ fŏs′fər-əs, fŏs-fôr′əs ]
A white or yellowish crystalline solid used as a reducing agent. It is hygroscopic (easily absorbs moisture from the atmosphere). Chemical formula: H3PO3.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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