hydrogel

[ hahy-druh-jel ]

noun

1. a gel whose liquid constituent is water.

hydrogel

/ ˈhaɪdrəˌdʒɛl /

noun

1. a gel in which the liquid constituent is water

Word History and Origins

Origin of hydrogel¹

First recorded in 1890–95; hydro- ¹ + gel

Example Sentences

There’s a big advantage to using electricity as the way to alter the hydrogel’s pH, says Dai.

From Science News For Students

One can think of the hydrogel pads on the robot’s feet as shoes.

From Science News For Students

The researchers’ added a catechol-based substance to their hydrogel so that it can glom onto surfaces as a mussel does.

From Science News For Students

Yuan and Dai padded the soles of their robots’ feet with a water-loving hydrogel.

From Science News For Students

They first engineered a “nanoinitiator,” a fancy name for a chemical that shines patterned light onto a supporting material—often a hydrogel—to cross-link into solid structures.

From Singularity Hub