Home›Browse›D›depressurisationdepressurisationOur editors are putting together more complete content — check back in about 20 minutesdepressurisationdepressurisation — nounnoun1. the act of reducing the pressure of a gas or liquid in a container1.nounDefinitionthe act of reducing the pressure of a gas or liquid in a containerExampleThe sudden depressurisation of the cabin caused the masks to drop.