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preemption, pre-emption | the right of a government to seize or appropriate something (as property) | |
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preemption, pre-emption | the right to purchase something in advance of others | |
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preemption, pre-emption | [in law] the judicial principle asserting the supremacy of federal over state legislation on the same subject | |
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preemption, pre-emption | a prior appropriation of something |