de-energize or de-energise /dē-enˈər-jīz/

1. To disconnect (an electrical circuit) from its source of power
2. To remove energy from

To lose energy

• hackling
• hack-log
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• hackney
• hackney cab
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• hackney carriage
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• hackney-coachmen
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• hacksaw
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• hacksawing
• hacksawn