depressurizeverb [ I or T ]
UK usually depressurise uk/ˌdiːˈpreʃ.ə.raɪz/us/ˌdiːˈpreʃ.ə.raɪz/to (cause a closed space, especially the inside of an aircraft to) become lower in air pressure:
If the cabin depressurizes, oxygen masks will automatically drop down.
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Physics: energy, force & power
- barometric pressure
- binding energy
- bioenergy
- chemical bond
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- gravitation
- jet propulsion
- joule
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Air travel: aviation
depressurization
noun [ U ] UK usually depressurisation uk/diːˌpreʃ.ər.aɪˈzeɪ.ʃən/us/diːˌpreʃ.ə.rəˈzeɪ.ʃən/