(aviation) A device which measures the altitude by performing measurement of the ambient pressure and comparing it against a reference pressure at a known altitude, to give a pressure altitude.

(physics, meteorology) The absolute pressure minus the atmospheric pressure.

plural of pressure cuff

A sphygmomanometer consisting of an inflatable cuff that compresses the forearm.

A large pressure cooker capable of holding jars used in canning.

(aviation, astronautics) A sealed, full-body garment, usually with an attachable helmet, which maintains air pressure or mechanical pressure around the body of an astronaut or aviator to compensate for the low density of the air at high altitudes.

plural of partial pressure

(physics, chemistry) The pressure that one component of a mixture of gases would contribute to the total pressure.

Operating at relatively high pressure, such as several times atmospheric pressure. / Tense; stressful. / Involving much persuasion.

plural of pressure wire