hy·​dro·​gel | \ ˈhī-drə-ˌjel \

Definition of hydrogel

: a gel composed usually of one or more polymers suspended in water

Examples of hydrogel in a Sentence

Recent Examples on the Web

Well, the brain tissue expansion process embeds tissue into a hydrogel and then expands it, which allows for high resolution imaging with a regular microscope. David Grossman, Popular Mechanics, "Honey, I Shrunk Everything: MIT Scientists Can Shrink Objects to the Nanoscale," 18 Dec. 2018 Shikanov and several researchers in the field are currently crafting artificial ovaries with synthetic polymers and hydrogels, which may afford more precise control over the mechanical properties of the scaffold. Katherine J. Wu, Smithsonian, "How Artificial Ovaries Could Expand Fertility Options For Chemo Patients," 5 July 2018 In initial tests of the hydrogel-containing prototype, Omenetto and his team had undergraduate researcher Logan Garbarini and other volunteers attach it to their teeth. Beth Mole, Ars Technica, "Sticking to your diet? This tooth-mounted food sensor could transmit the truth," 24 Mar. 2018 The hydrogel used by the Italian researchers was between 95 and 98 percent water. National Geographic, "Tape Is Ruining Priceless Art. This New Gel Can Fix It.," 23 May 2018 The hydrogel technique could be a game changer for art conservationists. Jason Daley, Smithsonian, "Tape-Removing Gel May Be a Game Changer for Art Restoration," 24 May 2018 The method starts with hydrogel, a type of gel with high water content used in a variety of common objects, from plastics to pills. National Geographic, "Tape Is Ruining Priceless Art. This New Gel Can Fix It.," 23 May 2018 The group plans to continue its work this summer with hopes of changing the world with its biodegradable hydrogels that fight bacteria and regenerate healthy cells. Donna Vickroy And Susan Demar Lafferty, Daily Southtown, "Class of 2018: A look at some of the Southland's extraordinary high school graduates," 19 May 2018 The light also triggers molecular bonds to form in a variety of hydrogel bioinks, materials that are regularly used in tissue engineering. David Grossman, Popular Mechanics, "New 3D Printer Can Make Complex Body Tissues," 14 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydrogel.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hydrogel

1864, in the meaning defined above

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Last Updated

12 Feb 2019

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Time Traveler for hydrogel

The first known use of hydrogel was in 1864

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More Definitions for hydrogel


hy·​dro·​gel | \ ˈhī-drə-ˌjel \

Medical Definition of hydrogel

: a gel in which the liquid is water a silicone hydrogel used to make soft contact lenses

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