(sciences) Pressure of the surrounding medium on an object, such as a gas or liquid, which comes into contact with the object.

Pressure that is less than normal atmospheric pressure

A mechanical device that uses a pump to generate a high-pressure stream of water (up to 5000 PSI - residential/commercial and up to 70000 PSI for commercial/industrial uses) to clean surfaces.

(chemistry) A form of chromatography in which the liquid mobile phase is forced through a column of solid stationary phase under high pressure

plural of pressure cooker

Alternative spelling of pressure cooker

The radial pressure on a nut.

(Britain) Alternative spelling of vapor pressure

plural of pressie

plural of pressgang