phosphorous acid

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phosphorous acid

n.
A white or yellowish hygroscopic crystalline solid, H3PO3, used as a reducing agent and to produce phosphite salts.

phosphorous acid

n
1. (Elements & Compounds) Also called: orthophosphorous acid a white or yellowish hygroscopic crystalline dibasic acid. Formula: H3PO3. Systematic name: phosphoric acid
2. (Elements & Compounds) any oxyacid of phosphorus containing less oxygen than the corresponding phosphoric acid

phospho′rous ac′id


n.
a colorless, crystalline, water-soluble acid of phosphorus, H3PO3, from which phosphites are derived.
[1785–95]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.phosphorous acid - a clear or yellow monobasic acid (H3PO2)
oxyacid, oxygen acid - any acid that contains oxygen
References in periodicals archive ?
Last November, Monsanto challenged the worldwide scientific community to find a practical, cost-effective technology that would recover high-purity amino acids and phosphoric and phosphorous acids from a particular waste stream, leaving clean sodium chloride.