Dispersal (noun)

1. The act or process of spreading out.
2. The distribution or spreading of something over a wide area.
3. The separation of a group or collection into smaller parts.

Origin:

Late 16th century, from disperse + -al.

Examples:

1. The dispersal of seeds by wind helps in the natural propagation of plants.
2. The dispersal of the population to the suburbs changed the city's demographics.
3. The dispersal of the crowd was a slow process after the concert ended.
4. The dispersal of assets among the beneficiaries was done according to the will.
5. The dispersal of the army units allowed for a wider coverage of the territory.