hydrogel

noun

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Made from a layer of hydrogel, it’s designed to be worn for 20 minutes, after cleansing but before applying moisturizer. Justin Fenner, Robb Report, 13 June 2025 The team's passive atmospheric water harvester uses a vertical panel of hydrogel that absorbs water vapor from the air. Abhimanyu Ghoshal, New Atlas, 13 June 2025 Past hydrogel batteries were stable only up to 1.23 volts. IEEE Spectrum, 21 Apr. 2025 Ars Video But hydrogels like that had their own fair share of issues. ArsTechnica, 14 Apr. 2025 See All Example Sentences for hydrogel

Word History

First Known Use

1864, in the meaning defined above

Time Traveler
The first known use of hydrogel was in 1864

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Cite this Entry

“Hydrogel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrogel. Accessed 14 Jul. 2025.

Medical Definition

hydrogel

noun
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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