ELECTRODE REACTION

"A chemical ""half"" (or ""partial"") reaction occurring at the electrode surface. It is called a ""half"" (or ""partial"") reaction because only the oxidation or the reduction part of the overall cell reaction occurs at any one electrode. See also electrochemical reaction. Many electrode reactions can proceed either as oxidation or as reduction, depending on the direction of the current flowing through the electrode/electrolyte interface. See, e.g. metal deposition/dissolution or redox reactions. "