Phrase guide
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noun
An unstable substance, H2S2O6, mainly known in its solutions and in certain well-defined salts.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From di- + thionic + acid.
