diode

/ˈdaɪoʊd/
noun
  1. An electronic component that allows electric current to flow in only one direction, used in devices like radios, computers, and power supplies.
    • A diode is often used to protect sensitive electronics from reverse voltage.
    • The technician replaced the broken diode in the power supply to fix the circuit.
    • In a simple radio, a diode helps convert the radio signal into sound.
  2. A type of light-emitting diode (LED) that produces light when electricity passes through it.
    • The tiny red diode on the front of the device blinks when it is charging.
    • The remote control uses an infrared diode to send signals to the TV.
    • Many modern light bulbs are made from diodes because they use less energy.
What does "diode" mean? | whatsthatwordmean | whatsthatwordmean