1. conductors through which electricity enters or leaves an electrolytic cell, gas, or other medium
Usage: technical; plural of electrode

Examples

• The scientist attached electrodes to the patient’s chest to monitor heart activity.
• Welding requires two electrodes to create an electric arc.
• The battery’s electrodes were corroded and needed replacement.
• Electrodes in the electrolysis experiment separated water into hydrogen and oxygen.
• The EEG machine uses multiple electrodes placed on the scalp.
• Carbon electrodes are commonly used in electric arc furnaces.
• The researcher cleaned the electrodes before starting the next test.