Definitions of fragmentation:

• noun:   the scattering of bomb fragments after the bomb explodes
• noun:   (computer science) the condition of a file that is broken up and stored in many different locations on a magnetic disk

  Example: "Fragmentation slows system performance because it takes extra time to locate and assemble the parts of the fragmented file"

• noun:   the disintegration of social norms governing behavior and thought and social relationships
• noun:   separating something into fine particles