meaning of shrinkage
1.  The act of shrinking; a contraction into less bulk or measurement. 
2.  The amount of such contraction; the bulk or dimension lost by shrinking, as of grain, castings, etc. 
3.  Decrease in value; depreciation. 
4.  the act of stealing goods that are on display in a store; "shrinkage is the retail trades euphemism for 
						">shoplifting"
						 
