de·com·press [ d kəm préss ](past and past participlede·com·pressed, present participlede·com·press·ing, 3rd person present singularde·com·press·es)
verb
Definition:
1. transitive and intransitive verb reduce pressure: to cause a reduction in the atmospheric pressure of an enclosed space, or experience such a reduction
2. transitive and intransitive verb allow expansion: to allow a substance to expand to normal dimensions or volume by the removal of pressure, or undergo this process
3. intransitive verb relax: to relax or unwind, especially after being busy or stressed
(
informal
)
4. transitive verb comput expand computer data: to expand compressed electronic data to its normal extent, or undergo this process