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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.
2. Prior seizure of, appropriation of, or claim to something, such as property.
3. The action of preempting, as the use of military force in a preemptive attack.
4. Law The doctrine that federal law takes precedence over state law.

[pre- + Latin ēmptiō, ēmptiōn-, buying (from ēmptus, past participle of emere, to buy; see em- in Indo-European roots).]


or pre-emp•tion

(priˈɛmp ʃən)

1. the act or right of claiming or purchasing before or in preference to others.
2. the act of preempting.
[1595–1605; < Medieval Latin praeemptiō previous purchase, derivative (with Latin -tiō -tion) of praeemere to buy beforehand]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.preemption - the judicial principle asserting the supremacy of federal over state legislation on the same subject
judicial doctrine, judicial principle, legal principle - (law) a principle underlying the formulation of jurisprudence
law, jurisprudence - the collection of rules imposed by authority; "civilization presupposes respect for the law"; "the great problem for jurisprudence to allow freedom while enforcing order"
2.preemption - the right of a government to seize or appropriate something (as property)
legal right - a right based in law
3.preemption - the right to purchase something in advance of others
right - an abstract idea of that which is due to a person or governmental body by law or tradition or nature; "they are endowed by their Creator with certain unalienable Rights"; "Certain rights can never be granted to the government but must be kept in the hands of the people"- Eleanor Roosevelt; "a right is not something that somebody gives you; it is something that nobody can take away"
preemptive right - the right granting to shareholders the first opportunity to buy a new issue of stock; provides protection against dilution of the shareholder's ownership interest
subscription right - the right of a shareholder in a company to subscribe to shares of a new issue of common stock before it is offered to the public
4.preemption - a prior appropriation of something; "the preemption of bandwidth by commercial interests"
appropriation - a deliberate act of acquisition of something, often without the permission of the owner; "the necessary funds were obtained by the government's appropriation of the company's operating unit"; "a person's appropriation of property belonging to another is dishonest"


or pre-emption
The act of taking something for oneself:
References in periodicals archive ?
beaucoup moins que] Nous avons meme mis en place un droit de preemption fiscale [beaucoup plus grand que], a-t-il tenu a preciser.
beaucoup moins que] Au contraire, le droit de preemption a ete renforce et clarifie [beaucoup plus grand que], a-t-il affirme.
23, 2015 /PRNewswire-USNewswire/ -- Plaintiffs challenging a so-called "gun violence tax" recently passed by the Seattle City Council have today filed a motion for summary judgment in their lawsuit, citing Washington State's long-standing preemption statute which "fully occupies and preempts the entire field of firearms regulation within the boundaries of the state.
But Washington State's preemption statute, passed 32 years ago and used as a model by other states to adopt similar legislation, stopped that effort in its tracks.
During the first quarter of 2015, state preemption bills prohibiting local governments from enacting pit bull ordinances were brought in five states: Arizona, Georgia, Kentucky, Montana and Washington.
The Supreme Court's administrative preemption doctrine holds
This Article argues that considerations unique to immigration law undermine the utility of existing doctrinal frameworks for limiting executive preemption.
The Company refused placing terms at a higher price with preemption rights protected The Board did not disclose to shareholders, nor has yet explained its reasons for rejecting, an offer by Worldview effectively to underwrite the Placing at a higher price which would have respected pre-emption rights.
3) We consider a two-stage game where, in the first stage, the countries simultaneously decide their levels of both preemption and deterrence, followed in the next stage by the organization deciding its levels of attack.
Oil and Natural Gas Corp (ONGC), Indian state-run stated that it aid its overseas arm has affirmed to take over extra 12% stake in a Brazilian oil block from Brazil s Petrobras for $529 million in a preemption deal that blocks Sinochem.