Which of the following terms refers to solids that do not dissolve in a solvent?

The term that refers to solids that do not dissolve in a solvent is "insoluble." When a substance is described as insoluble, it means that it does not break down into its constituent particles in the solvent, resulting in a mixture where the solid remains separate and does not form a homogeneous solution.

In contrast, "soluble" refers to substances that readily dissolve in a solvent, creating a solution. "Miscible" typically applies to liquids that can mix evenly with each other, such as water and alcohol, rather than solids in a solvent. The term "solvable," while it may hint at a relationship with the process of solvation or dissolving, is not commonly used in the context of solubility and does not specifically apply to the dissolution of solids in solvents. Therefore, "insoluble" is the correct term to indicate solids that remain undissolved in a given solvent.