'Preemption' definitions:

Definition of 'preemption'

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

Definition of 'Preemption'

From: GCIDE
  • Preemption \Pre*["e]mp"tion\ (?; 215), n. [Pref. pre- + emption: cf. F. pr['e]emption. 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 others. [Eng.] (b) 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 other applicants. --Abbott. [1913 Webster]

Synonyms of 'preemption'

From: Moby Thesaurus

Words containing 'Preemption'