[1890–95; hydro-1 + gel]This word is first recorded in the period 1890–95. Other words that entered Englishat around the same time include: blip, bootstrap, cholesterol, masochism, wirelesshydro- is a combining form meaning “water,” used in the formation of compound words. Otherwords that use the affix hydro- include: hydrograph, hydroplane, hydrosphere, hydrostat, hydrotherapy
Examples of 'hydrogel' in a sentence
hydrogel
Hydrogel can also be used to fill gaps in the tissue.
Times, Sunday Times (2015)
It is made of hydrogel and a metal carbide and sticks to many surfaces.
The Sun (2018)
The hydrogel, called polyacrylate, contracts by a factor of ten in all directions when an acid is added.
Times, Sunday Times (2018)
While printing the tissue, the printer can release 'hydrogel' to support the structure as it is built into three dimensions.
Times, Sunday Times (2015)
Nappies are filled with a hydrogel, which is extremely absorbent and expands in contact with water.