shrinkage

noun ! Definition from Wiktionary (CC BY-SA). More about shrinkage at Wordnik → Where our words come from →

1. The act of shrinking, or the proportion by which something shrinks. The loss of merchandise through theft, spoilage, and obsolescence: the shrinking of inventory. The reduction in size of the male genitalia when cold, such as from immersion in cold water.
2. The loss of merchandise through theft, spoilage, and obsolescence: the shrinking of inventory.
3. The reduction in size of the male genitalia when cold, such as from immersion in cold water.