The phrase "accidental discharge" refers to an unplanned and unintentional release of something, often specifically used to describe the accidental firing of a gun or weapon.
Sentences with «accidental discharge»
Typically, homeowners insurance covers you for accidental discharge of water from a plumbing system. (farmers.com)
It has an on and off switch that helps to prevent accidental discharge. (geekwrapped.com)
It has an on and off button to keep the gun from accidental discharge that could hurt someone. (geekwrapped.com)