depressurize

D2E1P3R1E1S1S1U1R1I1Z10E1
UK/diːˈpɹɛʃəɹaɪz/

verb

To reduce the air pressure within a chamber.

Similar
decompressdepressurise
Opposite
pressurize
OriginEnglish pressurize ← Latin pressūra ← Proto-Italic *pres- →
Scrabble 24
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Meanings

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

present singular third person depressurizes · participle present depressurizing · participle past depressurized · past depressurized · alternative depressurise

  1. transitiveTo reduce the air pressure within a chamber.
  2. intransitiveTo have the pressure of one's environmental atmosphere reduced.

Synonyms & antonyms

Similar
decompress
Opposite
pressurize

verbdecrease the pressure of

Similar
depressurisedecompress
Opposite
pressurize
Broader
adjustsetcorrect
Also see
decompress

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*de
  2. Proto-Indo-European*déh₁
  3. Proto-Italic*dē
  4. Latindē
  5. Latindē-
  6. Englishde-
  7. Proto-Indo-European*per-?
  8. Proto-Indo-European*pres-
  9. Proto-Italic*pres-
  10. Latinpremō
  11. Latinpressūra
  12. Englishpressure
  13. Englishpressurize
  14. Englishdepressurize

From de- + pressurize.

Full word history & related roots →

Translations

Catalan despressuritzar
  • despressuritzarto reduce the air pressure within a chamber
Finnish laskea painetta
  • laskea painettato reduce the air pressure within a chamber
French dépressuriser
  • dépressuriserto reduce the air pressure within a chamber
German den Druck verringern (bei/von)
  • den Druck verringern (bei/von)to reduce the air pressure within a chamber
Italian depressurizzare
  • depressurizzareto reduce the air pressure within a chamber
Japanese 減圧する
  • 減圧する (gen'atsu-suru)to reduce the air pressure within a chamber
Portuguese despressurizar
  • despressurizarto reduce the air pressure within a chamber
Romanian depresuriza
  • depresurizato reduce the air pressure within a chamber
Spanish despresurizar
  • despresurizarto reduce the air pressure within a chamber
Cite this entry
APA

depressurize. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/depressurize

MLA

“depressurize.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/depressurize. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “depressurize,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/depressurize.

Source: depressurize on Wiktionary, CC BY-SA 4.0.