Shrinkage

·noun Decrease in value; depreciation.

II. Shrinkage ·noun The act of shrinking; a contraction into less bulk or measurement.

III. Shrinkage ·noun The amount of such contraction; the bulk or dimension lost by shrinking, as of grain, castings, ·etc.

shrinkage
A shrinking or contraction into a less compass. 'Make an allowance for the shrinkage of grain in dry...

Dictionary of American Words And Phrases by John Russell Bartlett.