noun, noun or participle which takes 'suru', transitive verb, intransitive verb
decompression; pressure reduction
Used in technical, medical, and everyday contexts for reducing pressure in a container, cabin, or system. Can be used as a noun or with する as a transitive/intransitive verb.
飛行機が急に減圧したため、酸素マスクが落ちてきた。
The plane suddenly decompressed, so the oxygen masks dropped down.
ダイバーは浮上する前に減圧停止を行う。
Divers perform a decompression stop before surfacing.