1. of, relating to, or acting as a cathode; involving or produced by a cathode
Usage: technical; chiefly used in physics and electrochemistry

Examples

• The cathodal reaction occurs at the negative electrode during electrolysis.
• Cathodal stimulation is used in some medical therapies to treat nerve disorders.
• The cathodal region of the battery attracts positive ions.
• Researchers measured the cathodal current flowing through the circuit.
• Cathodal protection prevents corrosion of metal structures in saltwater.