Definitions

1. verb

to fill with pressure, especially to raise the air pressure in (a vessel, a system, or the atmosphere) to a specified level

“The engineer had to pressurize the oxygen tank before the astronauts could enter the space module.”

2. verb

to subject (something) to pressure or stress

“The strong winds pressurized the building’s walls, causing cracks to appear.”

3. noun

the process of filling with pressure, especially to raise the air pressure in (a vessel, a system, or the atmosphere) to a specified level

“The maintenance team performed the pressurization of the air conditioning system.”