hydronium ion

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Related to Oxonium ion: oxonium salt

hydronium ion

(haɪˈdrəʊnɪəm)
n
(Chemistry) chem another name for hydroxonium ion
[C20: from hydro- + (amm)onium]

hy•dro′ni•um i′on

(haɪˈdroʊ ni əm)
n.
the hydrogen ion bonded to a molecule of water, H3O + , the form in which hydrogen ions are found in aqueous solution.
[< German Hydronium (1907), contraction of Hydroxonium; see hydro-2, -onium]
References in periodicals archive ?
3) compared to other pH had less amount that may be due to generated oxonium ion [H3O2]+ [29] In addition, the scavenging effect of hydroxyl radicals by hydrogen ions becomes important at a very low pH .