What does depressurised mean?
The verb 'depressurised' refers to the process of reducing the pressure in a sealed container, such as an aircraft cabin or a tank, by releasing gas or air. This can be done intentionally, as in the case of maintenance or repair, or unintentionally, as a result of a faulty valve or other malfunction. The term is commonly used in the context of aviation and engineering, where maintaining a safe internal pressure is crucial. The word has been in use since the mid-20th century, and its meaning has remained relatively consistent over time. In British English, the preferred spelling is 'depressurised', while in American English, it is often spelled 'depressurize'.
verbTo reduce the pressure in something, especially a sealed container, by releasing gas or air.
- To reduce the pressure in something, especially a sealed container, by releasing gas or air.
"The pressure in the aircraft cabin was depressurised due to a faulty valve."
"The pressure in the aircraft cabin was depressurised due to a faulty valve."
"The engineer depressurised the tank before welding it shut."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of depressurised
The word 'depressurised' is derived from the verb 'depress', meaning to reduce or lower, and the noun 'pressure', referring to the force exerted on a surface. The term 'vent' is also etymologically related, as it refers to the act of releasing gas or air from a container. The word has its roots in the mid-20th century, when the concept of pressurised containers became more widespread.
How depressurised is actually used
In British English, the preferred spelling is 'depressurised', while in American English, it is often spelled 'depressurize'.