wear and tear
    n 1: decrease in value of an asset due to obsolescence or use
         [syn: depreciation, wear and tear]

Tear \Tear\, n.
   The act of tearing, or the state of being torn; a rent; a
   fissure. --Macaulay.
   [1913 Webster]

   Wear and tear. See under Wear, n.
      [1913 Webster]

Wear \Wear\, n.
   1. The act of wearing, or the state of being worn;
      consumption by use; diminution by friction; as, the wear
      of a garment.
      [1913 Webster]

   2. The thing worn; style of dress; the fashion.
      [1913 Webster]

            Motley 's the only wear.              --Shak.
      [1913 Webster]

   3. The result of wearing or use; consumption, diminution, or
      impairment due to use, friction, or the like; as, the wear
      of this coat has been good.
      [Webster 1913 Suppl.]

   Wear and tear, the loss by wearing, as of machinery in use;
      the loss or injury to which anything is subjected by use,
      accident, etc.
      [1913 Webster]