hydrosulfurous acid

noun hy·dro·sulfurous acid \"+...-\

Definition of hydrosulfurous acid

  1. :  an unstable acid H2S2O4 known only in aqueous solution formed by reducing sulfurous acid or in the form of salts —not used scientifically —called also dithionous acid, hyposulfurous acid

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Origin and Etymology of hydrosulfurous acid

hydrosulfurous International Scientific Vocabulary hydr- + sulfurous


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