hydrosulfurous acid

noun

hy·​dro·​sulfurous acid
"+...-
: 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

Word History

Etymology

hydrosulfurous International Scientific Vocabulary hydr- + sulfurous

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Dictionary Entries Near hydrosulfurous acid

Cite this Entry

“Hydrosulfurous acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrosulfurous%20acid. Accessed 2 Dec. 2022.

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