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

• pia maters
• pianette
• pianettes
• piani
• pianino
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• pianism
• pianisms
• pianissimo
• pianissimos
• pianississimo
• pianist
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• pianistic
• pianistically
• pianists
• piano
• piano accordion
• piano accordions
• pianoforte
• pianofortes
• Pianola®
• pianolist
• pianolists
• piano nobile