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1. A colloid in which the disperse phase has combined with the dispersion medium to produce a semisolid material, such as a jelly.
2. See gelatin.
3. A jellylike substance used in styling hair.
v. gelled, gel·ling, gels
To become a gel.
1. To apply a gel to (the hair).
2. To take shape or become clear: Plans for the project are finally starting to gel.

[Short for gelatin. V., sense 2, probably influenced by jell.]

gel′a·ble adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Hairdressing & Grooming) hairdressing styled with gel
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Engineers and food scientists at several universities are now at work developing a new type of gelled fuel with the consistency of orange marmalade and intended to improve the safety, performance, and range of rockets for space and military applications.
When the gelled substance fell as a single piece on inversion it was considered that the gel formation had taken place.