hydronium ion(redirected from Oxonium ion)
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Related to Oxonium ion: oxonium salt
(Chemistry) chem another name for hydroxonium ion
[C20: from hydro- + (amm)onium]
hy•dro′ni•um i′on(haɪˈdroʊ ni əm)
the hydrogen ion bonded to a molecule of water, H3O + , the form in which hydrogen ions are found in aqueous solution.