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单词 hydrosulphurous
释义 hydrosulphurous, a. Chem. Obs.|-ˈsʌlfjʊrəs|
[f. as prec. + sulphurous.]
In hydrosulphurous acid, a name given first to dithionic acid; afterwards to hyposulphurous acid, or hydrogen hyposulphite, H2S2O4.
1855in Mayne Expos. Lex.1872–94[see hyposulphurous].
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