a thick, clear, liquid substance, especially one used on the hair or body

shower gel 沐浴凝胶

hair gel 发胶

to change from a liquid into a thick, soft solid

If an idea or situation gels, it starts to become more clear and fixed.

They talked a lot about opening a restaurant, but their plans never gelled. 他们总是说要开一个餐馆，可是从来没有付诸实践过。

If two or more people gel, they form a good relationship or become friends.

The team really gelled during the first few games of the season. 在这个赛季头几场比赛中，球队表现得很有凝聚力，配合十分默契。

to put gel on your hair

He had spiky, light brown hair, shaved at the sides and gelled on top. 他浅褐色的头发一簇簇地直立着，剃去两鬓，头顶上打了发胶。