gel
noun
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a thin translucent membrane used over stage lights for color effects“I used numerous gels to make the stage glow red.”gelatin
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a colloid in a more solid form than a sol“My toothpaste comes as a gel.”colloidal gel
verb
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to apply a styling gel to“I gelled my hair.”mousse
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to become a gel“The solid, when heated, gelled.”
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to form a bond or friendship with“Even though we had never met, we instantly gelled.”