Shrinkage

Shrinkage may refer to:

Reduction in size of a solid material

 * Shrinkage (casting), size reduction of liquid metal as it solidifies
 * Shrinkage (concrete), size reduction of concrete as it sets and ages
 * Shrinkage (fabric), size reduction of fabric when washed with water or hot water
 * Shrinkage (wood), size reduction of wood as it dries

Other uses

 * Shrinkage (accounting), loss of product inventory due to theft, damage, spoilage, etc.
 * Shrinkage defect or shrinkage void, a casting defect caused by metal solidifying from the outside inward
 * Shrinkage (statistics), a technique to improve an estimator