# decompression

> English word · Noun · IPA /ˌdiːkəmˈpɹɛʃən/ · frequency rank #31,499

## Definitions
1. The process of decompressing.
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.

## Etymology
From de- + compression.

## Common misspellings (19)
`dceompression`, `ddecompression`, `deccompression`, `decmopression`, `decommpression`, `decomperssion`, `decomppression`, `decompresion`, `decompresison`, `decompressino`, `decompressionn`, `decompressoin`, `decomprestion`, `decomprression`, `decomprsesion`, `decomrpession`, `decopmression`, `deocmpression`, `edcompression`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/decompression