Medical Dictionary


noun 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>


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears