hy·​dro·​gel ˈhī-drə-ˌjel How to pronounce hydrogel (audio)
: a gel composed usually of one or more polymers suspended in water

Examples of hydrogel in a Sentence

Recent Examples on the Web The hydrogel technology moisturizes and firms the under-eye area. Enjanae' Taylor, Southern Living, 2 May 2024 The electrolyte is made from a hydrogel, a substance roughly the consistency of a soft contact lens. IEEE Spectrum, 5 Apr. 2024 Once injected, the hydrogel is meant to block sperm from getting into semen. Emily Mullin, WIRED, 4 Jan. 2024 In agriculture, hydrogels enhance soil water retention and plant growth. William A. Haseltine, Forbes, 28 Feb. 2024 Men in the trial ranged from age 25 to 65 and were placed into two groups that received different amounts of hydrogel: a lower volume and a higher one. Emily Mullin, WIRED, 4 Jan. 2024 Many conventional menstrual products have traditionally been made of hydrogels made from toxic petrochemicals, so there has been a push to make them out of biomaterials. Diana Gitig, Ars Technica, 9 Dec. 2023 If possible, try to also avoid synthetic fertilizers like hydrogel. Brittany Vanderbill, Better Homes & Gardens, 9 Feb. 2023 The injectable hydrogel responds to cathepsin overexpression in an inflammatory environment. William A. Haseltine, Forbes, 28 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hydrogel.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1864, in the meaning defined above

Time Traveler
The first known use of hydrogel was in 1864

Dictionary Entries Near hydrogel

Cite this Entry

“Hydrogel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrogel. Accessed 21 May. 2024.

Medical Definition


hy·​dro·​gel ˈhī-drə-ˌjel How to pronounce hydrogel (audio)
: a gel in which the liquid is water
a silicone hydrogel used to make soft contact lenses
Last Updated: - Updated example sentences
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