gel
n. C / Un. a thick, jelly-like substance used for hair, skin, or cleaning. You use it when you need a liquid that stays in place and doesn't run off easily.
n. a semi-solid, jelly-like colloidal system consisting of a liquid dispersed in a solid medium. Often used in cosmetic, medicinal, or industrial contexts to provide a stable, non-fluid consistency.
He puts a little gel in his hair every morning.
The athlete applied a cooling gel to her sore muscles after finishing the marathon to reduce the swelling.
Modern pharmaceutical delivery systems often utilize a specialized gel to ensure that active ingredients are absorbed through the skin at a steady, controlled rate over several hours.
Uncountable when referring to the substance in general; countable when referring to specific types or individual containers of the product.
Last updated May 2, 2026