Last Updated：2025/11/21

The process of decompressing. / The restoration to atmospheric pressure of a person who has spent time under higher pressure (such as a diver).

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decompression

Source Word

decompression

IPA(Pronunciation)

Noun

uncountable usually

Japanese Meaning

圧力を下げる、あるいは圧力を解放する過程・処理 / 高圧環境から大気圧に戻すプロセス、特にダイバーの減圧

After downloading the archive, decompression took longer than expected.

アーカイブをダウンロードした後、解凍に予想より時間がかかった。

Sense（1）

The process of decompressing.

The decompression of large data files may take a while.

Sense（2）

The restoration to atmospheric pressure of a person who has spent time under higher pressure (such as a diver).

Sense（3）

Mode of operation of some internal combustion engines that makes them easier to start, but significantly increases fuel consumption.

Sense（4）

(medicine) The relief of pressure on a body part by surgery.

decompressions

（ plural ）