the.com/pressurization
The art of convincing air at 35,000 feet it's still at sea level.
means The process of maintaining higher air pressure inside a sealed space (like an aircraft cabin) than exists outside it, so people inside can breathe normally.
from Built from 'pressure' — traced back through French to Latin 'pressura,' from 'premere,' meaning to press or squeeze — plus the verb-forming suffix '-ize' and noun ending '-ation,' which together mean 'the act of causing to become.' The word itself is a 20th-century coinage, arriving alongside aviation and deep-sea technology that needed a tidy term for artificially controlling pressure in sealed environments.
- cabin altitude
- actually simulates 6,000-8,000 feet, not sea level
- failure mode
- causes masks to drop, not explosions
- engine source
- compressed air is stolen from the jet engines themselves
- popping ears
- your eardrums fighting pressure changes, not cabin failure