Meanings
nounhydronium ion (plural hydronium ions)
plural hydronium ions
- chemistryA positively charged ion that is formed when a hydrogen ion joins with a water molecule.
Synonyms: oxonium ion
Synonyms & antonyms
nounA positively charged ion that is formed when a hydrogen ion joins with a water molecule.
Similar
Also see
Cite this entry
APA
hydronium ion. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hydronium%20ion
MLA
“hydronium ion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hydronium%20ion. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “hydronium ion,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hydronium%20ion.
Source: hydronium ion on Wiktionary, CC BY-SA 4.0.