ethionic acid

noun
ethi·​on·​ic acid | \¦e|thē|¦änik-, ¦ē|, |ˌthī|\

Definition of ethionic acid 

: an unstable diacid HO3SCH2CH2OSO3H known only in solution and obtainable by adding water to ethionic anhydride

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First Known Use of ethionic acid

1844, in the meaning defined above

History and Etymology for ethionic acid

ethionic International Scientific Vocabulary e- (from ether) + -thion- (from Greek theion brimstone) + -ic

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The first known use of ethionic acid was in 1844

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