dithionic acid

English

Etymology

di- +‎ thionic + acid

Noun

dithionic acid (uncountable)

1. (chemistry) An unstable substance, H₂S₂O₆, known only in its solutions and in certain well-defined salts.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “dithionic acid”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)