Meanings
nounautoion (plural autoions)
plural autoions
- rarenatural sciencesAn ion which has been formed by autoionization
Origin
From auto- + ion. Probable back-formation from autoionize.
Full word history & related roots →Cite this entry
APA
autoion. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/autoion
MLA
“autoion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/autoion. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “autoion,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/autoion.
Source: autoion on Wiktionary, CC BY-SA 4.0.