transitive verb-·ized·, -·iz·ing
to reduce pressure in or eliminate pressure from
transitive verbde·pres·sur·ized, de·pres·sur·iz·ing, de·pres·sur·iz·es
To reduce the pressure of air or gas within (a chamber or vehicle, for example).
(third-person singular simple present depressurizes, present participle depressurizing, simple past and past participle depressurized)
de- + pressurize