A cell whose cytoplasm has a concentration of 0.2 molar glucose is placed in a test tube of water containing 0.4 molar glucose.

A cell whose cytoplasm has a concentration of 0.2 molar glucose is placed in a test tube of water containing 0.4 molar glucose. Assuming that glucose is not actively transported across the cell membrane, which of the following terms describes the tonicity of the external solution relative to the cytoplasm of the cell?