Shrinkage: Reduction in the dimensions of motion-picture film caused by loss of moisture, support placticizers, and solvents, as well as heat, use, and age.

• 收缩（率）：由于失去水分、增塑剂和溶剂以及由于受热、使用、老化等原因引起电影胶片尺寸缩减的现象。