depressurise
Definition
Verb: 1. To decrease the pressure of a gas or enclosed space; to release pressure from. This is the technical process of reducing the internal pressure of a container, vessel, or environment to match a lower external pressure or to make it safe.
Usage
The verb "depressurise" describes the deliberate action of lowering pressure. It is often used in technical, engineering, or aviation contexts. The process is the opposite of "pressurise." * It is typically used with an object (a transitive verb). * The American English spelling is "depressurize."
Examples
- Technical/Engineering: "Before opening the reactor, the engineers must slowly depressurise the system to avoid an explosion."
- Aviation: "The pilot will depressurise the cabin as the plane begins its descent."
- Safety Procedure: "You should never try to open a pressure cooker without first allowing it to depressurise completely."
Advanced Usage
- "to depressurise oneself" (figurative, informal): To relax and release mental or emotional stress. This is a metaphorical extension of the core meaning.
- Example: "After the intense meeting, he went for a walk to depressurise."
Variants and Related Words
- Depressurisation (UK) / Depressurization (US) (noun): The act or process of decreasing pressure.
- Example: "The sudden depressurisation of the aircraft triggered the oxygen masks."
- Depressurised (UK) / Depressurized (US) (adjective): Describing a state of having had pressure reduced.
- Example: "The depressurised cabin made it difficult to breathe."
Synonyms
- Decompress
- Vent (to allow gas to escape, often resulting in depressurisation)
Antonyms
- Pressurise / Pressurize
- Compress
Phrasal Verbs
- Depressurise to [a level]: To reduce pressure until it reaches a specific point.
- Example: "The chamber was depressurised to one atmosphere."
Verb
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decrease the pressure of
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depressurize the cabin in the air plane
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