What term describes a solution created with water as the solvent?

The term "aqueous" refers specifically to a solution where water acts as the solvent. In the context of chemistry and various scientific disciplines, this term is widely used to signify that water is the medium in which solutes are dissolved.

Choosing "aqueous" indicates a clear understanding of solvent-solute interactions, particularly how various substances can dissolve in water, which is a common solvent due to its unique chemical properties.

In contrast, saline solutions refer specifically to solutions that contain salt (usually sodium chloride) dissolved in water, thus being a specific subset of aqueous solutions. Concentrated denotes the amount of solute in a given volume of solvent but does not specify the solvent itself, while colloidal describes a mixture where small particles are dispersed throughout another substance; this does not specifically indicate that water is used as the solvent. Therefore, "aqueous" is the most accurate term for a solution created with water as the solvent.