pre-emption
📖 中文释义
- [经] 先买权, 优先认购(权)
🧩 词形变化
复数 pre-emptions
📘 English Definition（英文释义）
- n the judicial principle asserting the supremacy of federal over state legislation on the same subject
- n the right to purchase something in advance of others
- n a prior appropriation of something