pressˈurize or pressˈurise transitive verb

1. To adjust the pressure within (an enclosed compartment such as an aircraft cabin) so that nearly normal atmospheric pressure is constantly maintained
2. To subject to pressure
3. To force by pressure (into doing something), to coerce

pressure altitude noun (aeronautics)

The apparent altitude of the local ambient pressure related to the international standard atmosphere

pressure cabin noun

A pressurized cabin in an aircraft

pressˈure-cook transitive verb

To cook in a pressure cooker

pressure cooker noun

A thick-walled pan with an airtight lid, in which food is cooked at speed by steam under high pressure

pressure gradient noun (meteorology)

The rate of change of the atmospheric pressure horizontally in a certain direction on the earth's surface as shown by isobars on a weather chart

pressure group noun

A number of people who join together to influence public opinion and government policy on some issue

pressure helmet noun

An airman's helmet for use with a pressure suit

pressure point noun

Any of various points on the body on which pressure may be exerted to relieve pain, control bleeding, etc

pressure ridge noun

A ridge formed by lateral pressure in floating ice in polar waters

pressure sore noun

A bedsore

pressure suit noun

An automatically inflating suit worn by aircraft crew against pressure-cabin failure at very high altitudes

pressure therapy noun

The therapeutic use of pressure points

pressure-tube reactor noun

A nuclear reactor in which the fuel elements are contained in many separate tubes rather than in a single pressure vessel

pressure vessel noun

1. A nuclear containment vessel, usu of thick steel or prestressed concrete, capable of withstanding high pressure
2. A vessel constructed to contain pressurized material

pressure waistcoat noun

A waistcoat worn by aircraft crew through which oxygen passes under pressure to the lungs to aid breathing at high altitudes

pressurized water reactor noun

A nuclear reactor using water-cooling at a pressure such that the boiling point of the water is above the highest temperature reached (see also boiling-water reactor under boil¹, light-water reactor under light²)