discharge
Definitions
To allow a liquid, gas, or other substance to flow out from where it has been confined.
To release someone from a duty, obligation, or place, such as a hospital, prison, or military service.
To fire a weapon or release a stored electrical charge.
Examples
The hospital will discharge the patient once his condition stabilizes.
The battery began to discharge after hours of continuous use.
The factory was fined for the illegal discharge of chemicals into the river.