Definition of "hydrogel" [hydrogel]

• A colloid gel in which water is the continuous phase; they have a number of medical and industrial applications (noun)

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• "Working with a widely used gelatin substance known as a hydrogel, Victor M. Ugaz, associate professor in the university's Artie McFerrin Department of Chemical Engineering, and graduate student Nan Shi have been able to determine the specific type of conditions that result in the optimum gel pore structure for separation of a wide range of DNA fragment sizes."
• "A hydrogel is a gel-like material having an affinity for water and similar compounds."
• "Further to the invention of contact lenses, researchers have made efforts, such as Muller, Kauhi, as in the mid 20 th century Czech Otto Vihterle made last decisive breakthrough in improving the contact lenses - he invented a special hydrogel, which is still used in the manufacture of soft lenses of different branded manufacturers."