Definitions

1. verb

to relieve or reduce pressure or compression, especially in gases or liquids

“The scuba diver had to decompress slowly to avoid getting the bends.”

2. verb

to remove or reduce the compression or condensation of something, especially digital data

“The software can decompress the zip file in a few seconds.”

3. noun

the process or state of relieving or reducing pressure or compression

“The pilot had to navigate the plane through decompression to avoid turbulence.”