hydronium ion

[ hahy-droh-nee-uh m ]
/ haɪˈdroʊ ni əm /

noun

the hydrogen ion bonded to a molecule of water, H3O+, the form in which hydrogen ions are found in aqueous solution.
Also called oxonium ion.

Origin of hydronium ion

< German Hydronium (1907), contraction of Hydroxonium; see hydro-2, oxonium ion

Words nearby hydronium ion

hydromyoma, hydronaut, hydronephrosis, hydronic, hydronitrogen, hydronium ion, hydropac, hydropathy, hydropericarditis, hydropericardium, hydroperitoneum

British Dictionary definitions for hydronium ion

hydronium ion
/ (haɪˈdrəʊnɪəm) /

noun

chem another name for hydroxonium ion

Word Origin for hydronium ion

C20: from hydro- + ( amm) onium