Water loss causes shrinkage and loss of weight.

The drying out of the soils causes shrinkage, which ultimately leads to a lowering of the land levels.

The cooling effect caused shrinkage and as scientifically elaborated:

The agency now says dechlorination has caused only minimal shrinkage in the total mass of PCB's.

Excessive heat or chemicals can cause puckering and shrinkage.

Plus steroids are also supposed to cause shrinkage there.

As a liquid dries, the surface tension drags on small structures within a solid, causing distortion and shrinkage.

It may cause short-term shrinkage due to necrosis in the tumor.

Cigarette smoke causes shrinkage in the arteries which heightens their chance of developing peripheral vascular disease.

Freeze-drying does not usually cause shrinkage or toughening of the material being dried.