cathode

/ˈkæθoʊd/
noun
  1. The negatively charged electrode in a battery, electronic device, or electrical system.
    • In a battery, electrons flow from the anode to the cathode.
    • The technician checked the cathode connection to ensure the circuit was complete.
    • A diode has a cathode and an anode that control the direction of current.
Antonyms
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