gel

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gel1 / jel/ • n. a jellylike substance containing a cosmetic, medicinal, or other preparation: try rubbing some teething gel onto sore gums. ∎  a substance of this consistency used for setting the hair. ∎  Chem. a semisolid colloidal suspension of a solid dispersed in a liquid. ∎  Biochem. a semirigid slab or cylinder of an organic polymer used as a medium for the separation of macromolecules.• v. (gelled, gel·ling) [intr.] Chem. form into a gel: the mixture gelled at 7 degrees Celsius. ∎  [tr.] treat (the hair) with gel.gel2 • v. (gelled , gel·ling ) chiefly Brit. variant spelling of jell.

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