Linked from
The 27 pages that link to Electrode, each with the reason it gives.
ElectrochemistryRelated: Electrode surfaces are where electron transfer couples to chemical change.
ElectroretinographyRelated: ERG electrodes detect tiny voltage changes produced by retinal activity.
Fluorescent lampRelated: Electrodes at the tube ends sustain the discharge and emit electrons.
Ionization chamberRelated: The chamber’s electrodes establish the field and collect charge.
Plasma displayRelated: Electrodes apply the voltage pulses that ignite and sustain gas discharges.