preemption
noun/priːˈɛmpʃən/
Etymology From Medieval Latin praeēmptiō (“previous purchase”), from praeemō (“buy before”), from Latin prae- (“before”) + emō (“buy”).
› An act or process that preempts; a…
1
The purchase of something before it is offered for sale to others.
2
The purchase of public land by the occupant.
3
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences The temporary interruption of a task without its cooperation and with the intention of resuming it at a later time.
4
Law The supersession of a conflicting law from a lower jurisdiction by an overlapping law from a higher jurisdiction.
- Derived terms
- preempt, preemptional, preemptioner