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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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]
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References in periodicals archive ?
Removal efficiency in pH=2 (Fig.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 .
After some of the isoxazolidines were protonated, a rearrangement occurred through an oxonium ion intermediate to form a unique spirocyclic system.