| 单词 | orthophosphorous acid |
| 释义 | orthophosphorous acid in British English (ˌɔːθəʊˈfɒsfərəs) noun a white or yellowish hygroscopic crystalline dibasic acid. Formula: H3PO3 Also called: phosphorous acidorthophosphorous acid in American English (ˈɔrθəˈfɑsfərəs, ˌɔrθoufɑsˈfɔrəs, -ˈfour-) noun Chemistry a white to yellowish, crystalline, hygroscopic, water-soluble solid, H3PO3, used chiefly in the synthesis of phosphites Word origin [ortho- + phosphorous acid ]ortho- is a combining form occurring in loanwords from Greek, where it meant “straight,”“upright,” “right,” “correct” (orthodox) and on this model used in the formation of compound words (orthopedic). Other words that use the affix ortho- include: orthogonal, orthohydrogen, orthokeratology, orthonormal, orthoscope |
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