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decompression

noun

  1. reduction in ambient pressure due to ascent above sea level
  2. reduction in physical, ambient, or emotional pressure
L228590 on Wikidata ↗

Wiktionary

Pronunciation: /ˌdiːkəmˈpɹɛʃən/

noun

Etymology: Etymology tree Proto-Indo-European *de Proto-Indo-European *-h₁ Proto-Indo-European *déh₁ Proto-Italic *dē Latin dē Latin dē-der. English de- English compression English decompression From de- + compression.

  1. The process of decompressing.

    The decompression of large data files may take a while.

  2. The restoration to atmospheric pressure of a person who has spent time under higher pressure (such as a diver).
  3. A mode of operation of some internal combustion engines which reduces the engine's compression ratio, making it easier to start but significantly increasing fuel consumption.
  4. The relief of pressure on a body part by surgery.