Defragmentation

In the maintenance of file systems, defragmentation is a process that reduces the amount of fragmentation. It does this by physically organizing the contents of the mass storage device used to store files into the smallest number of contiguous regions (fragments). It also attempts to create larger regions of free space using compaction to impede t...
Found on http://en.wikipedia.org/wiki/Defragmentation

Defragmentation

A process associated with storage whereby the disk space is effectively reorganised. The upshot is that after defragmentation data access will be faster.
Found on http://www.ft.com/dbglossary

Defragmentation

Over time, the files on a computer's hard disk drive become disorganised. Running a defragmentation program restores order and speeds up the reading and writing of data.
Found on https://www.encyclo.co.uk/local/20134

Defragmentation

The process of rearranging disk sectors so files are stored on consecutive sectors in adjacent track
Found on http://www.superglossary.com/Glossary/Technology/Computers/
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