- to free from pressure
- to free (a deep-sea diver, tunnel worker, etc.) from compression or air pressure by means of an air lock
- Comput. to restore (compressed data) to its original state
verbde·com·pressed, de·com·press·ing, de·com·press·es
- To relieve of pressure or compression.
- To bring (a person exposed to conditions of increased pressure) gradually back to normal atmospheric pressure.
- To adjust to normal atmospheric conditions after being exposed to increased pressure.
- Informal To relax: decompressed after 12 hours of driving.
(third-person singular simple present decompresses, present participle decompressing, simple past and past participle decompressed)
- To relieve the pressure or compression on something.
- To bring someone (such as a diver) back to normal atmospheric pressure after being exposed to high pressure.
- (computing) To restore compressed data to its normal size.
- (intransitive) To adjust to normal atmospheric pressure after being exposed to high pressure.
- (intransitive, informal) To relax.