depressurize
🇺🇸
/diːˈpreʃəraɪz/
🇬🇧
/diːˈpreʃəraɪz/
To reduce the pressure inside something, like letting air out of a balloon.
The astronauts had to depressurize the cabin before they could open the hatch.
우주비행사들은 해치를 열기 전에 캐빈의 압력을 낮춰야 했습니다.