the process of becoming thicker or of making something become thicker

This thickening of the airways causes them to narrow and makes it difficult to move air into and out of the lungs. 气管的这种增厚导致它们变窄，并使空气难以进出肺部。

a place where something has become thicker

No intestinal wall thickenings were identified. 未发现肠壁增厚。

something added to a liquid to make it thicker

Put everything except the thickening in the pot. 将除增稠剂外的所有东西都放入锅中。

used for making something thicker

Cornflour is used as a thickening agent. 玉米粉被用作增稠剂。

Brian coated her hair with a thickening spray. 布赖恩用增稠喷雾涂抹她的头发。

becoming thicker

Nothing lay ahead of her except the thickening belts of trees that ringed the head of the valley. 除了环绕山谷最高处的茂密林带外，她的前方一览无遗。

Studies have shown that age need not necessarily be entirely to blame for a thickening waist. 研究表明，腰部变粗不一定完全归咎于年老。