hydrogel
noun
hy·dro·gel
ˈhī-drə-ˌjel 
: a gel composed usually of one or more polymers suspended in water
Examples of hydrogel in a Sentence
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The cooling hydrogel patches are infused with peptides and collagen to soften the look of fine lines while giving tired undereyes a quick hit of hydration.
—
Christa Joanna Lee, Allure, 21 Mar. 2026
The formula features colloidal oatmeal, ceramides, and algae hydrogel—a potent trio for those prone to dryness, irritation, or environmental stressors.
—Conçetta Ciarlo, Vogue, 20 Mar. 2026
The scientists used the hydrogel to build a working sensor that detects a compound known as sakacin P in milk.
—Neetika Walter, Interesting Engineering, 14 Mar. 2026
Learn about Outside Online's affiliate link policy A new study puts Maurten’s hydrogel baking soda to the test in thin air, and finds (mostly) positive results.
—Alex Hutchinson, Outside, 25 Feb. 2026
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Christa Joanna Lee, Allure, 21 Mar. 2026
The formula features colloidal oatmeal, ceramides, and algae hydrogel—a potent trio for those prone to dryness, irritation, or environmental stressors.
—Conçetta Ciarlo, Vogue, 20 Mar. 2026
The scientists used the hydrogel to build a working sensor that detects a compound known as sakacin P in milk.
—Neetika Walter, Interesting Engineering, 14 Mar. 2026
Learn about Outside Online's affiliate link policy A new study puts Maurten’s hydrogel baking soda to the test in thin air, and finds (mostly) positive results.
—Alex Hutchinson, Outside, 25 Feb. 2026
See All Example Sentences for hydrogel
Cite this Entry
“Hydrogel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrogel. Accessed 3 Apr. 2026.
Copy CitationMedical Definition
hydrogel
noun
hy·dro·gel
ˈhī-drə-ˌjel
: a gel in which the liquid is water
a silicone hydrogel used to make soft contact lenses
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