Dictionary

hydrogel

noun hy·dro·gel \ˈhī-drə-ˌjel\

Definition of HYDROGEL

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

First Known Use of HYDROGEL

1864

hydrogel

noun hy·dro·gel \ˈhī-drə-ˌjel\   (Medical Dictionary)

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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