hydrogel 

https://doi.org/10.1351/goldbook.HT07519
Gel in which the swelling agent is water.
Notes:
  1. The network component of a hydrogel is usually a polymer network.
  2. A hydrogel in which the network component is a colloidal network may be referred to as an aquagel.
Source:
PAC, 2007, 79, 1801. (Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)) on page 1807 [Terms] [Paper]
Citation: 'hydrogel' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.HT07519 RIS BibTex EndNote
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Last revised: February 24, 2014