You searched for: “pressurize
pressurize (verb), pressurizes; pressurized; pressurizing
1. To press something tightly into a space or container: Some cooks utilize pots with lids that pressurize the contents when food is being prepared for eating.
2. To cause the air inside an area, such as in an aircraft, to be the same as, or close to, a normal breathing area: Jane told her husband when she returned home that the system that usually pressurizes air in the passenger airplane failed to operate properly for a short time and the condition caused a great deal of terror for the passengers before it was returned to the normal functioning mode.