Meanings
nounethionic acid (uncountable)
- uncountablechemistryThe unstable sulfonic acid 2-sulfooxyethanesulfonic acid
Origin
Blend of ethyl + thionic + acid
Full word history & related roots →Cite this entry
APA
ethionic acid. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ethionic%20acid
MLA
“ethionic acid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ethionic%20acid. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “ethionic acid,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ethionic%20acid.
Source: ethionic acid on Wiktionary, CC BY-SA 4.0.