A solution is formed when one or more substances called solutes are completely mixed or dissolved in another substance called a solvent. Solutions can be solid, liquid, or gas.
Related terms
Solvent: The substance that dissolves the solute to form a solution.
Solute: The substance that is dissolved in a solvent to form a solution.
Solubility: The maximum amount of solute that can be dissolved in a given amount of solvent at a specific temperature and pressure.