- the hydrogen ion bonded to a molecule of water, H3O+, the form in which hydrogen ions are found in aqueous solution.
Origin of hydronium ion
Also called oxonium ion.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- chem another name for hydroxonium ion
C20: from hydro- + (amm) onium