purge
1.
[Data Security]
Sanitize using physical or logical techniques that make recovery of target data infeasible using state of the art laboratory techniques, but which preserves the storage media and storage device in a potentially reusable state. [ISO/IEC 27040]
2.
[Storage System]
The process of returning a solid state storage device to a state in which subsequent writes execute, as closely as possible, as if the device had never been used and does not contain any valid data.
See FOB.