Definition

Noun: A pressure suit is a protective garment designed as an inflatable, full-body suit. Its primary function is to maintain a stable, life-supporting atmospheric pressure around the wearer's body in environments where the external air pressure is dangerously low or absent, such as in high-altitude flight or space.

Usage

The term is used specifically to describe a specialized, technical garment for aviation and aerospace. It is a compound noun where "pressure" modifies "suit" to specify its purpose. * Pilots wear a pressure suit when flying at extreme altitudes. * The astronaut's pressure suit was checked thoroughly before the mission. * Modern pressure suits are essential for protection in case of cabin depressurization.

Advanced Usage

• Partial-pressure suit: A specific type of pressure suit that uses mechanical counter-pressure (tight straps) rather than full inflation to protect the body. It is often used for high-altitude reconnaissance aircraft.
• The engineering of a pressure suit involves complex systems for breathing, temperature regulation, and mobility.

Variants and Related Words

• Spacesuit: A more complex, self-contained version of a pressure suit designed for extravehicular activity (spacewalks) outside a spacecraft, providing additional life support.
• G-suit (anti-g suit): A related garment that applies pressure to the abdomen and legs to prevent pilots from losing consciousness during high-acceleration maneuvers, but it does not protect against low atmospheric pressure like a full pressure suit.
• Flight suit: A general term for a one-piece garment worn by pilots; it may be worn under or integrated with a pressure suit.

Synonyms

• Protective flight garment
• High-altitude suit

Related Phrases/Concepts

• Cabin pressure: The maintained air pressure inside an aircraft or spacecraft cabin. A pressure suit is needed if this fails.
• Depressurization: The loss of cabin pressure, which is the emergency scenario a pressure suit is designed to mitigate.
• Life support system: The integrated systems (often part of or connected to a pressure suit) that provide breathable air and temperature control.

Noun

1. protective garment consisting of an inflatable suit for space or high altitude flying