A gas used to drive a fluid through a fluid system.

plural of pressurant

Of or relating to pressure.

(cooking) A sealed cooking vessel that allows cooking in greater than atmospheric pressure and at a temperature above the boiling point of water.

(medicine, nursing) An ulcer caused by prolonged pressure on the skin as a person lies in a bed or sits in a chair or wheelchair; preventable with sufficient nursing care.

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

plural of partial pressure

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

A container designed to maintain a volume at a significantly different pressure to that of ambient.

(therapy) A specific small area of the body, on an energy line, sensitive to and suitable for therapeutic pressure.