disperse /dɪˈspɜːs/to move apart and go away in different directions; to make sb/sth do thisThe fog began to disperse. The crowd dispersed quickly. disperse sb/sth Police dispersed the protesters with tear gas.
dispersal formal/dɪˈspɜːsl/police trained in crowd dispersal the dispersal of seeds the process of sending somebody/something in different directions; the process of spreading something over a wide area Wsz