Compression vs. Defragmentation

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Difference Between Compression and Defragmentation
Compressionnoun
An increase in density; the act of compressing, or the state of being compressed; compaction.
Defragmentationnoun
(computing) The action of defragmenting, particularly with respect to a computer disk or drive.
Compressionnoun
(automotive) The cycle of an internal combustion engine during which the fuel and air mixture is compressed.
Compressionnoun
(computing) The process by which data is compressed.
Compressionnoun
(music) The electronic process by which any sound's gain is automatically controlled.
Compressionnoun
(astronomy) The deviation of a heavenly body from a spherical form.
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Compressionnoun
an increase in the density of something
Compressionnoun
the process or result of becoming smaller or pressed together;
the contraction of a gas on coolingCompressionnoun
encoding information while reducing the bandwidth or bits required
Compressionnoun
applying pressure