Is said of an airplane's sealed cabin in which the air pressure is kept at a level suitable for passengers.

maintained at a certain atmospheric pressure; "in a pressurized cabin the air pressure is comfortable for breathing"; "cooking with pressurized steam"

when something is raised to a higher pressure than normal

To pump or force a liquid at a higher rate than that achievable under normal open channel or free surface conditions.

Containing air or other gas at a pressure higher than the pressure outside the chamber.

subjected to high pressure