Preemption

• (n.) The act or right of purchasing before others. • (n.) The privilege or prerogative formerly enjoyed by the king of buying provisions for his household in preference to others. • (n.) The right of an actual settler upon public lands (particularly those of the United States) to purchase a certain portion at a fixed price in prefe...
Found on http://thinkexist.com/dictionary/meaning/preemption/

Preemption

1) The principle that a federal law supercedes a state law (and a state law supercedes a local law) where both governments have made laws on the same subject and the laws conflict. 2) The right of purchasing before others (for example, a preemptive right).
Found on http://www.nolo.com/dictionary/preemption-term.html

preemption

pre-emption noun a prior appropriation of something; `the preemption of bandwidth by commercial interests`
Found on https://www.encyclo.co.uk/local/20974

Preemption

[computing] In computing, preemption is the act of temporarily interrupting a task being carried out by a computer system, without requiring its cooperation, and with the intention of resuming the task at a later time. Such a change is known as a context switch. It is normally carried out by a privileged task or part of the system known as ...
Found on http://en.wikipedia.org/wiki/Preemption_(computing)

Preemption

[land] Preemption was a term used in the nineteenth century United States to refer to a settler`s right to purchase public land at a federally set minimum price; it was a right of first refusal. Usually this was conferred to male heads of households who developed the property into a farm. If he was a citizen or was taking steps to become on...
Found on http://en.wikipedia.org/wiki/Preemption_(land)

Preëmption

Pre·ëmp'tion noun [ Prefix pre- + emption : confer French préemption . See Redeem .] The act or right of purchasing before others. Specifically: (a) The privilege or prerogative formerly enjoyed by the king of buying provisions for his household in preference to o...
Found on http://www.encyclo.co.uk/webster/P/148

Preemption

An abrupt removal of a previously scheduled infomercial (or any) broadcast. It happens most often for a breaking news story.
Found on http://www.lincolnmedia.com/resources/glossary-of-media-terms

preemption

in U.S. history, policy by which first settlers, or `squatters,` on public lands could purchase the property they had improved. Squatters who settled ...
Found on http://www.britannica.com/eb/a-z/p/107

Preemption

In United States, Federal law is the supreme law with highest authority. When there is a conflict between the Federal law and state law, the Federal law is said to preempt - win over - state law thereby displacing the effect of the state law. That`s known as premption..
Found on http://www.encyclo.co.uk/local/21213

preemption

n. the rule of law that if the federal government through Congress has enacted legislation on a subject matter it shall be controlling over state laws and/or preclude the state from enacting laws on the same subject if Congress has specifically stated it has "occupied the field." If Congress has not clearly claimed preemption, a federal or state co...
Found on http://dictionary.law.com/Default.xhtml?selected=1575

preemption

The act or right of purchasing before others. Specifically: ... The privilege or prerogative formerly enjoyed by the king of buying provisions for his household in preference to others. ... The right of an actual settler upon public lands (particularly those of the United States) to purchase a certain portion at a fixed price in preference to all o...
Found on http://www.encyclo.co.uk/local/20973

preemption

[n] - the judicial principle asserting the supremacy of federal over state legislation on the same subject 2. [n] - the right of a government to seize or appropriate something (as property) 3. [n] - the right to purchase something in advance of others 4. [n] - a prior appropriation of something
Found on http://www.webdictionary.co.uk/definition.php?query=preemption
No exact match found