What does dissolve mean in a science def?

>1. (of a solid, gas, or liquid) become incorporated into and uniformly distributed through a liquid

>2. disappear or vanish gradually as if by dissolving

>3. put an end to (a problem, difficulty, organization, or institution)

Specifically in chemistry, dissolving refers to the process in which a substance (called the solute) is dispersed uniformly through another substance (called the solvent) to form a homogeneous mixture. The resulting mixture is called a solution. The solute is typically a solid, liquid, or gas, while the solvent is usually a liquid. However, it is possible to have solutions of gases in gases or solids in solids.