depressurize

verb

de·​pres·​sur·​ize (ˌ)dē-ˈpre-shə-ˌrīz How to pronounce depressurize (audio)
depressurized; depressurizing; depressurizes

transitive verb

: to release pressure from
depressurization
(ˌ)dē-ˌpre-shə-rə-ˈzā-shən How to pronounce depressurize (audio)
noun

Examples of depressurize in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As firefighters raced to put out multiple fires, hydrants ran dry in some parts of the region, while others at higher elevations depressurized. — Faith Kearns, The Conversation, 15 Aug. 2025 The rocks, recently depressurized after their journey from the seafloor, were oozing petroleum. — Jeffrey Marlow, New Yorker, 5 Apr. 2026 Flaring involves burning off residual vapors or gases in a safe manner to depressurize them and prevent explosions or accidents. — Stephen Underwood, Hartford Courant, 7 Feb. 2026 An amine will grab CO2 molecules when exposed to them, but let go of the CO2 when heated or depressurized, leaving it ready to go again. — ArsTechnica, 8 June 2026 See All Example Sentences for depressurize

Word History

First Known Use

1944, in the meaning defined above

Time Traveler
The first known use of depressurize was in 1944

Rhymes for depressurize

See All Rhymes for depressurize

Browse Nearby Words

depressure
depressurize
depreter
See all Nearby Words

Cite this Entry

“Depressurize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/depressurize. Accessed 7 Jul. 2026.

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Kids Definition

depressurize

verb
de·​pres·​sur·​ize (ˈ)dē-ˈpresh-ə-ˌrīz How to pronounce depressurize (audio)
: to release (as an aircraft with near-normal atmospheric pressure) from pressure
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