Definitions

1. verb

to become or make something solid or semi-solid, typically by cooling or thickening

“The mixture will gel once it reaches room temperature.”

2. noun

a semi-solid substance, typically made from a mixture of water and a thickening agent

“She applied a layer of gel to her hair to style it.”

3. noun

a type of soft, jelly-like substance, typically used in photography or cosmetics

“The photographer used a special gel to diffuse the light in the studio.”

4. noun

a type of rock or mineral, especially one that is semi-solid and can be molded

“The geologist studied the properties of gel-like rocks in the cave.”