Definitions for "Hydrogen ion"
Keywords:  ion, positive, atom, nucleus, proton
Refers to acidity or alkalinity of water or soil. An ion is a charged atom or group of atoms in solution or in a gas. Solutions contain equivalent numbers of positive and negative ions.
A single proton with a charge of +1. The dissociation of a water molecule (H O) leads to the generation of a hydroxide ion (OH–) and a hydrogen ion (H+). hydrophilic( hy-droh- fil-ik) [L. hydro, water + Gk. philios, friendly] Having an affinity for water.
see hydronium ion