Water swollen, rigid, 3-dimensional network of cross-linked, hydrophilic macromolecules, 20-95% water. They are used in paints, printing inks, foodstuffs, pharmaceuticals, and cosmetics. (Grant & Hackh's Chemical Dictionary, 5th ed)

Synonyms: 0, Hydrogel, In Situ, Hydrogel, Patterned, In Situ Hydrogels, Hydrogels, Patterned Hydrogels, Patterned Hydrogel, In Situ Hydrogel, Hydrogel