pre-emption - definition, thesaurus and related words from WordNet-Online

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Noun pre-emption has 4 senses

preemption, pre-emption - the judicial principle asserting the supremacy of federal over state legislation on the same subject
--₁ is a kind of legal principle, judicial principle, judicial doctrine
preemption, pre-emption - the right of a government to seize or appropriate something (as property)
--₂ is a kind of legal right
preemption, pre-emption - the right to purchase something in advance of others
--₃ is a kind of right
--₃ has particulars: preemptive right; subscription right
preemption, pre-emption - a prior appropriation of something; "the preemption of bandwidth by commercial interests"
--₄ is a kind of appropriation