1) Colloidal gel 2) Dispersion medium 
A type of plastics material that contains water, commonly used in the manufacture of soft contact lenses.
A colloid in which the particles are in the external or dispersion phase and water in the internal or dispersed phase. ... Compare: hydrosol. ... (05 Mar 2000) ... 
(hi´dro-jel″) a gel that contains water.
Type: Term Pronunciation: hī′drō-jel Definitions: 1. A colloid in which the particles are in the external or dispersion phase and water in the internal or dispersed phase.
[n] - a colloidal gel in which water is the dispersion medium
hydrogel 1. A thick fluid like a jelly, formed by the addition of a substance to water. 2. A colloidal gel in which water is the dispersion medium. Hydrogel is a network of polymer chains that are water-soluble, sometimes found as a colloidal gel in which water is the dispersion medium. Hydrogels are superabsorbent (they can contain over 99% wate...
a gel whose liquid constituent is water.