Decompression (noun)

1. The process of reducing or releasing the pressure or tension built up in a system, object or environment.
2. The process of reducing the pressure surrounding a diver after diving to prevent injury to the body's tissues.

Origin:

Derived from the prefix 'de-' meaning to reverse or undo and 'compression' meaning to reduce or compress in size or volume.

Examples:

1. The decompression procedure is used to decompress the compressed air in the scuba tank.
2. The decompression process was used to relieve the pressure on the pipeline.
3. The decompression algorithm was used to decompress the compressed data.
4. The decompression chamber is used to decompress the divers after deep sea diving.
5. The decompression time is an important factor in safe diving practices.