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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.

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

To better match this biological complexity, Qin and his team, together with ETH Professor Ralph Müller, developed a new type of hydrogel designed for future bone implants.

From Science Daily • Mar. 3, 2026

Using this technique, the team can precisely shape the hydrogel with exceptional detail.

From Science Daily • Mar. 3, 2026

To demonstrate the effect, the team encoded an image of the Mona Lisa into the hydrogel film.

From Science Daily • Feb. 6, 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 Talbot, Henry P.

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