1. to reduce or remove air pressure from something
Usage: third person singular present tense

Examples

• The pilot depressurizes the cabin before landing.
• The system automatically depressurizes when the valve opens.
• She depressurizes the diving chamber slowly to prevent injury.
• The spacecraft depressurizes its airlock before opening to space.
• The technician depressurizes the tank for maintenance.
• The submarine depressurizes as it surfaces.