hydrogel
(ˈhaɪdrədʒɛl)
[f. hydro- + gelatin.]
A gel or gelatinous precipitate in which the liquid constituent is water.
| 1864 [see alcosol]. 1895 Thomson & Bloxam Bloxam's Chem. (ed. 8) 123 Colloids..can generally exist in solution (the hydrosol form), but are apt to separate as a jelly (the hydrogel form) from such solutions. 1938 R. G. Torrens Dental Dis. vi. 90 Gelatine is a hydrosol when warm and a hydrogel when cold. 1972 Physics Bull. June 336/1 Probably a wide range of factors can precipitate the clotting process including..surface texture and surface wettability as relating to hydrogel formation. |