Definition of de-energize in English:


transitive verb

(British de-energise)
[with object]
  • 1Disconnect (an electric circuit) from a power supply.

    ‘Unfortunately, many electricians believe that de-energizing circuits is not necessary, too difficult to coordinate, or will jeopardize the mission.’
    • ‘Once the faceplate and the baseplate are attached to each other, the capacitor is de-energized and the electric field is dissipated.’
    • ‘The actuator is then de-energized and the switching contacts return to their starting positions.’
    • ‘‘The advantage to Deep Sleep is that is fully de-energizes the power bus on the vehicle and de-energizes that heater overnight and allows us to save that energy,’ he continued.’
    • ‘Multiple devices may well have to be de-energized in an emergency, often at different locations.’
    • ‘His expectation is that the line is de-energized, but it's still energized by the solar panels.’
    • ‘After the program exited, it placed the RTS line in its original low state, de-energizing the relay.’
    • ‘This cable route tracer can trace and determine the depth of any conductive line and trace energized or de-energized lines through inductive or conductive coupling.’
    deactivate, shut off, turn off, switch off, unplug, de-energize, detach from a power supply
    1. 1.1no object Undergo loss of electrical power.
      ‘the starter relay automatically de-energizes’
      • ‘But if it deenergizes when a source other than radio is selected, your sub amp will not come on when you listen to CD's or an AUX source.’
      • ‘The relay stays energized until time out and then it deenergizes ready for the next operation.’



/ˌdēˈenərjīz/ /ˌdiˈɛnərdʒaɪz/