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

The cooling hydrogel formula, shaped to sit snugly under the eye – chill in the fridge first for extra de-puffing. — ABC News, 19 Sep. 2026

Biodance says its hydrogel line has surpassed 150 million masks sold and is stocked at more than 1,300 Olive Young locations in Korea. — Sophie Dunne, Footwear News, 14 Sep. 2026

That performance is important for wearable electronics that could operate outdoors, in refrigerated environments, or in other applications where conventional water-rich hydrogels can lose flexibility and conductivity. — Neetika Walter, Interesting Engineering, 18 Aug. 2026

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

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