English
Alternative spellings
thiosulphuric acid qualifier|mainly UK
Noun
en-noun|sg=thiosulfuric acid|-
- inorganic compound An unstable acid, H<sub>2</sub>S<sub>2</sub>O<sub>3</sub>, formally derived from sulfuric acid by the substitution of a sulfur atom for an oxygen one; it is known only in solution or as its salts and esters, the thiosulfates.
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