compression Meaning, Definition & Usage

  1. noun an increase in the density of something
    densification; concretion; compaction.
  2. noun the process or result of becoming smaller or pressed together
    condensation; contraction.
    • the contraction of a gas on cooling
  3. noun encoding information while reducing the bandwidth or bits required
  4. noun applying pressure
    compressing.

WordNet

Com*pres"sion noun
Etymology
L. compressio: cf. F. compression.
Definitions
  1. The act of compressing, or state of being compressed. "Compression of thought." Johnson.

Webster 1913