Dissolution (noun)

1. The process of breaking up a substance into smaller particles.
2. The breaking up or ending of a marriage, partnership or an organization.
3. The termination or ending of a political unit, such as a state or a monarchy.

Origin:

Late middle english, from old french, from latin dissolutio(n-), from dissolvere 'loosen, dissolve'.

Examples:

1. The dissolution of sugar in water is a chemical reaction.
2. The dissolution of the partnership was a mutual decision of the partners.
3. The dissolution of the Soviet Union led to the formation of several new countries.
4. The dissolution of the marriage was a difficult process for both partners.
5. The dissolution of the company was inevitable after consecutive losses.