Solution viscosity refers to the consistency of a liquid in a solution. When the viscosity of a solution is high, it means that it has a higher resistance to flow due to its thickness or stickiness. Some synonyms for the term solution viscosity could include the consistency of a solution, the density of the solution, its thickness, and its nose. Some related terms could include the flow rate of the solution, the specific gravity of the solution, the fluidity of the solution, or the lubricity of the solution. These terms help describe the physical properties of the solution, which can be important in different processes or applications.