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Definition of Gel
1. Verb. Become a gel. "The solid, when heated, gelled"
2. Noun. A colloid in a more solid form than a sol.
3. Verb. Apply a styling gel to. "They gel their hair "; "She mousses her hair"
4. Noun. A thin translucent membrane used over stage lights for color effects.
Definition of Gel
1. Noun. A semi-solid to almost solid colloid of a solid and a liquid, such as jelly, cheese or opal. ¹
2. Noun. Any gel intended for a particular cosmetic use, such as for styling the hair. ¹
3. Verb. (transitive) To apply (cosmetic) gel to (the hair, etc). ¹
4. Verb. (intransitive) To become a gel. ¹
5. Verb. (intransitive) To develop a rapport. ¹
6. Noun. (British) A girl. ¹
¹ Source: wiktionary.com
Definition of Gel
1. to become like jelly [v GELLED, GELLING, GELS] : GELABLE [adj]
Medical Definition of Gel
1. Jelly like material formed by the coagulation of a colloidal liquid. Many gels have a fibrous matrix and fluid filled interstices: gels are viscoelastic rather than simply viscous and can resist some mechanical stress without deformation. Examples are the gels formed by large molecules such as collagen (and gelatin), agarose, acrylamide and starch. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)