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

• optoacoustic
• optoelectronic
• optoelectronics
• optologies
• optologist
• optologists
• optology
• optometer
• optometers
• optometric
• optometrical
• optometries
• optometrist
• optometrists
• optometry
• optophone
• optophones
• opt out
• opt-out
• opt-outs
• optronics
• opts
• opulence
• opulences
• opulent