"Dissolve" is a verb that means to cause something to end or disappear. It can be used in a variety of contexts, such as:
To cause a substance to pass into a solution or to be absorbed by another substance, especially by means of a solvent.
To bring (something) to an end or cause it to disappear, such as a relationship or a partnership.
To break up or disband (a group or organization).
Examples:
The sugar dissolved in the water.
The marriage was dissolved after only a year.
The company was dissolved due to financial difficulties.
In each of these examples, "dissolve" is used to describe the process of causing something to come to an end or disappear.