| 释义 | orthophosphorous acid
 orthophosphorous acid(ˌɔːθəʊˈfɒsfərəs) n (Elements & Compounds) a white or yellowish hygroscopic crystalline dibasic acid. Formula: H3PO3. Also called: phosphorous acid ThesaurusEncyclopediaSeePhosphorous AcidMedicalSeephosphorous acid| Noun | 1.orthophosphorous acid - a clear or yellow monobasic acid (H3PO2)hypophosphorous acid, phosphorous acidoxyacid, oxygen acid - any acid that contains oxygen | 
 orthophosphorous acidRelated to orthophosphorous acid: H3PO3
 Synonyms for orthophosphorous acidnoun a clear or yellow monobasic acid (H3PO2)Synonymshypophosphorous acidphosphorous acid
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