Standard Lemma guide

depressurize

verb · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • UK: /diːˈpɹɛʃəɹaɪz/
  • CMU ARPABET: D IH0 P R EH1 SH ER0 AY2 Z Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

verb

Meaning 1

To reduce the air pressure within a chamber.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To have the pressure of one's environmental atmosphere reduced.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

decrease the pressure of

Definition source: Princeton WordNet 3.0

Examples

  • depressurize the cabin in the air plane

Meaning relationships

Synonyms: depressurise, decompress

Antonyms: pressurize

Broader terms: adjust, set, correct

Narrower terms: puncture

History

Etymology

Etymology tree Proto-Indo-European *de Proto-Indo-European *-h1 Proto-Indo-European *déh1 Proto-Italic *dē Latin dē Latin dē-der. English de- English pressure Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō)bor. Late Latin -izōder. Middle French -iserbor. Middle English -isen English -ize English pressurize English depressurize From de- + pressurize.

Across languages

Translations

10 source translations are retained for this English entry.

  • Catalan: despressuritzar — to reduce the air pressure within a chamber
  • Finnish: laskea painetta — to reduce the air pressure within a chamber
  • French: dépressuriser — to reduce the air pressure within a chamber
  • Galician: despresurizar — to reduce the air pressure within a chamber
  • German: den Druck verringern (bei/von) — to reduce the air pressure within a chamber
  • Italian: depressurizzare — to reduce the air pressure within a chamber
  • Japanese: 減圧する (gen'atsu-suru) — to reduce the air pressure within a chamber
  • Portuguese: despressurizar — to reduce the air pressure within a chamber
  • Romanian: depresuriza — to reduce the air pressure within a chamber
  • Spanish: despresurizar — to reduce the air pressure within a chamber