depressurize

• depressurise

From de- +‎ pressurize.

• (UK) IPA^(key): /diːˈpɹɛʃəɹaɪz/

depressurize (third-person singular simple present depressurizes, present participle depressurizing, simple past and past participle depressurized)

1. (transitive) To reduce the air pressure within a chamber.
2. (intransitive) To have the pressure of one's environmental atmosphere reduced.

   (Can we add an example for this sense?)

• decompress

• pressurize