Definitions
1.NounAn act or process that preempts; a preventive or forestalling action; as:
The purchase of something before it is offered for sale to others.
The purchase of public land by the occupant.
The temporary interruption of a task without its cooperation and with the intention of resuming it at a later time.
The supersession of a conflicting law from a lower jurisdiction by an overlapping law from a higher jurisdiction.
2.NounThe purchase of something before it is offered for sale to others.
3.NounThe purchase of public land by the occupant.
4.NounThe temporary interruption of a task without its cooperation and with the intention of resuming it at a later time.
5.NounThe supersession of a conflicting law from a lower jurisdiction by an overlapping law from a higher jurisdiction.