dispersal
/dɪˈspɜːsəl/noun
mass noun
1- the action or process of distributing or spreading things or people over a wide area分散, 分布：
the dispersal of people to increasingly distant suburbs
人口向越来越远的郊区分散
count noun dispersals of archaic populations.古代人口的分布。
1.1
- the splitting up of a group or gathering of people, causing them to leave in different directions疏散：
the dispersal of the crowd by mounted police.
骑警对人群的疏散。
1.2
- the splitting up and selling off of a collection of artefacts or books（成套工艺品或书籍的）零卖, 贱卖：
the dispersal of the John Willett Collection
《约翰·威利特全集》的零卖
count noun colleges had made large dispersals, and the shops were filled with books from their stacks.大学在大清仓, 店里堆满了他们的书。