AskDefine | Define preemption

Dictionary Definition

pre-emption

Noun

1 the judicial principle asserting the supremacy of federal over state legislation on the same subject [syn: preemption]
2 the right of a government to seize or appropriate something (as property) [syn: preemption]
3 the right to purchase something in advance of others [syn: preemption]
4 a prior appropriation of something; "the preemption of bandwidth by commercial interests" [syn: preemption]preemption

Noun

1 the judicial principle asserting the supremacy of federal over state legislation on the same subject [syn: pre-emption]
2 the right of a government to seize or appropriate something (as property) [syn: pre-emption]
3 the right to purchase something in advance of others [syn: pre-emption]
4 a prior appropriation of something; "the preemption of bandwidth by commercial interests" [syn: pre-emption]

User Contributed Dictionary

English

Alternative spellings

Noun

  1. The purchase of something before it is offered for sale to others
  2. The purchase of public land by the occupant

Extensive Definition

Preemption or pre-emption may refer to:
  • Preempt, a type of bid and a bidding tactic in contract bridge
  • Preemption (computing), the ability of an operating system to stop a currently scheduled task in favour of a higher priority task
  • Preemption (law), the displacing effect that US federal law has on a conflicting or inconsistent state law
  • A "preemption" is also a form of broadcasting blackout
  • Preemption is a type of land transfer in the United States, as in the Preemption Act of 1841
  • Preemption Line, the line that divided the Indian lands of western New York State, that had been awarded to New York from those that had been awarded to the Commonwealth of Massachusetts by the Treaty of Hartford of 1786
  • Pre-emption rights, the right of existing shareholders in a company to buy shares offered for sale before they are offered to the public
  • Preemption (Media), the replacement of all or part of a regularly scheduled broadcast with a television special or breaking news.
Other definitions
preemption in German: Präemption

Synonyms, Antonyms and Related Words

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