orthophosphorous acid
[ awr-thuh-fos-fer-uh s, awr-thoh-fos-fawr-uh s, -fohr- ]
/ ˈɔr θəˈfɒs fər əs, ˌɔr θoʊ fɒsˈfɔr əs, -ˈfoʊr- /
noun Chemistry.
a white to yellowish, crystalline, hygroscopic, water-soluble solid, H3PO3, used chiefly in the synthesis of phosphites.
Origin of orthophosphorous acid
Words nearby orthophosphorous acid
orthopedist,
orthopercussion,
orthophoria,
orthophosphate,
orthophosphoric acid,
orthophosphorous acid,
orthophthalic acid,
orthophyric,
orthopnea,
orthopneic,
orthopod
British Dictionary definitions for orthophosphorous acid
orthophosphorous acid
/ (ˌɔːθəʊˈfɒsfərəs) /
noun
a white or yellowish hygroscopic crystalline dibasic acid. Formula: H 3 PO 3
Also called: phosphorous acid