Simple past tense and past participle of depressurize.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "depressurized" in a sentence
"Cold shutdown refers to when a reactor is cooled to safe temperatures—below water's boiling point—and is depressurized."
"I really don't need or want a vacation any longer, as every day is a vacation from that previous "existence" and I depressurized a LONG time ago, almost 12 years ago in fact — la vida buena mexicana, something that few gringos truly get to appreciate."
"Some 660 tons of residual oil remain in the depressurized pipe, which has been secured on the seabed with concrete mats."