preemptive right

preemptive-right的词性：
n.（名词）

1. The right of certain stockholders to maintain ownership of a constant percentage of a firm's stock. Such stockholders have the first opportunity to purchase new stock in the firm proportionate to the percentage of shares already held.
优先购股权：指某些股东对公司股份保持一定比例的拥有权的权利。这样的股东有优先机会按已持股份的比例购买公司的新股票