Depressurization (noun)

The act of reducing pressure, especially of a confined space such as an aircraft cabin.

Origin:

From the prefix 'de-' meaning 'down' and the word 'pressurization' which means 'the action of pressurizing'.

Examples:

1. The depressurization of the airplane caused panic among the passengers.
2. The emergency depressurization system was activated when the cabin's pressure dropped too low.
3. The depressurization process was smooth and controlled, preventing any harm to the passengers.
4. Depressurization can cause discomfort, such as headaches or ear pain, if it occurs too rapidly.
5. The depressurization of the airtight chamber was necessary to safely carry out repairs.