Douglas Harper's Etymology Dictionary
1937, from pressure + -ization.
Wiktionary
alt. The act or process of increasing pressure within a volume of space. n. The act or process of increasing pressure within a volume of space.
Wikipedia
Pressurization (or Pressurisation) is the application of pressure in a given situation or environment.
Usage examples of "pressurization".
Please secure your harnesses and remain in your seats until landing and pressurization are completed.
Clio swung back to the console, where she completed the cabin pressurization check.
A battery of lights flared up and cabin pressurization wobbled a split second, an instant too long for Clio.
The law required all bubbles to have suits for every resident, in case of accidental pressurization, as might happen if there was a leak.
Such a rapid ascent without pressurization would, at the very least, result in severe cerebral and pulmonary edemas, a dangerous excess of fluids in the body’s tissues.
Geena worked through more checklists, ensuring the comms, solar panels, computer, pressurization, propulsion and other systems had all survived the launch and were working correctly.
Its surface was a mishmash of boxy superstructures as tall as skyscrapers and force-bubble pressurization access ports the size of impact craters.