dithionous acid

di·​thi·​o·​nous acid | \ (ˈ)dī¦thīənəs-\

Definition of dithionous acid

: hydrosulfurous acid used in the nomenclature adopted by the International Union of Pure and Applied Chemistry

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History and Etymology for dithionous acid

di- + thion- + -ous

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to gather or build up little by little

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