- the act or right of buying land, etc. before, or in preference to, others; esp., such a right granted to a settler on public land
- action taken for the purpose of preventing something else from happening
Origin of preemptionfrom Medieval Latin preemptus, past participle of preemere, to buy beforehand from Classical Latin prae-, before (see pre-) + emere, to buy (see redeem)
- a. The right to purchase something before others, especially the right to purchase public land that is granted to one who has settled on that land.b. A purchase made by such a right.
- Prior seizure of, appropriation of, or claim to something, such as property.
- The action of preempting, as the use of military force in a preemptive attack.
- Law The doctrine that federal law takes precedence over state law.
Origin of preemptionpre- Latin ēmptiō ēmptiōn- buying ( from ēmptus ) ( past participle of emere to buy ; see em- in Indo-European roots.)
- The purchase of something before it is offered for sale to others.
- The purchase of public land by the occupant.
- (computing) The temporary interruption of a task without its cooperation and with the intention of resuming it at a later time.
- (law) The displacement of a lower jurisdiction's laws when they conflict with those of a higher jurisdiction.
From Medieval Latin praeÄ“mptiÅ (“previous purchase"), from praeemÅ (“buy before"), from Latin prae- (“before") + emÅ (“buy").
preemption - Legal Definition
- In law, the doctrine coming from the Supremacy Clause of the United States Constitution asserting that in legislation on the same subject, federal legislation takes supremacy over state or local laws.
- The right to buy something before anybody else.
- An earlier seizure of some property, real or personal.