phosphorous acid


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Related to phosphorous acid: hypophosphorous acid, metaphosphoric acid

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 ?
Phosphorous acid, although mainly used as fungicide, could possibly have some positive effect by stimulating the plant natural defense system and overall health (Smillie et al.
It has been observed that the influence of current density on the P content of the deposit is largely dependent on the concentration of phosphorous acid in the plating bath.
Phosphites are liquid products originating from the neutralisation of phosphorous acid (H3PO3) with a base.
The 10,000 tonnes of phosphorous acid being transported by the ECE contained dissolved cadmium "a metal which is toxic for all links in the marine food chain, particularly planckton and shell fish", explained Robin des Bois.