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hydrogel

American  
[hahy-druh-jel] / ˈhaɪ drəˌdʒɛl /

noun

  1. a gel whose liquid constituent is water.


hydrogel British  
/ ˈhaɪdrəˌdʒɛl /

noun

  1. a gel in which the liquid constituent is water

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of hydrogel

First recorded in 1890–95; hydro- 1 + gel


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

These scaffolds consist of individual hydrogel microparticles that assemble into a porous structure.

From Science Daily ● Sep. 4, 2026

Instead of simply injecting the EVs into the damaged area, the scientists chemically attached them to the surfaces of the hydrogel microparticles.

From Science Daily ● Sep. 4, 2026

The hydrogel was also designed with disease modification in mind.

From Science Daily ● Aug. 31, 2026

It also noted in its ruling that testers were asked to use an exfoliating product and a hydrogel, neither of which are sold with the mask.

From BBC ● Jun. 9, 2026

It is certain, however, that the gelatinous material which readily separates from such solutions is of the nature of a hydrogel, that is, a colloid which is insoluble in water.

From An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes by Henry P. Talbot

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