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

Recent Examples on the Web

That’s why hydrogel is the foundation of Biodance, the brand Kim was inspired to launch after her healing journey. — Celia Shatzman, Forbes.com, 27 July 2026

For at least a decade, the better option was hydrogel electrodes, squishy pieces of sponge-like med-tech that could absorb water and stretch with movement. — New Atlas, 18 July 2026

But hydrogels degrade rather quickly and lose those benefits with prolonged use. — Jennifer Ouellette, ArsTechnica, 14 July 2026

The marketing image of Mitchell’s kindergarten-age daughter wearing one of the clear hydrogel sheet masks didn’t help, reading like a misguided attempt to attract attention in crowded social feeds. — Fiorella Valdesolo, Allure, 9 July 2026

Word History

First Known Use

1864, in the meaning defined above

Medical 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