pre-emption Meaning, Definition & Usage

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

WordNet