(n) the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit), Syn. force per unit area, pressure level, Example:the compressed gas exerts an increased pressure

pressure

(n) a force that compels, Example:the public brought pressure to bear on the government

pressure

(n) the somatic sensation that results from applying force to an area of skin, Syn. pressure sensation, Example:the sensitivity of his skin to pressure and temperature was normal

pressure

(n) an oppressive condition of physical or mental or social or economic distress

pressure cabin

(n) cabin consisting of the pressurized section of an aircraft or spacecraft

pressure-cook

(v) cook in a pressure cooker

pressure cooker

(n) autoclave for cooking at temperatures above the boiling point of water

pressure dome

(n) a dome-shaped building that is pressurized

pressure gauge

(n) gauge for measuring and indicating fluid pressure, Syn. pressure gage

pressure point

(n) any of several points on the body where the pulse can be felt and where pressure on an underlying artery will control bleeding from that artery at a more distal point

The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)

Pressurage

n. [ F. ] 1. Pressure. [ 1913 Webster ]

2. The juice of the grape extracted by the press; also, a fee paid for the use of a wine press. [ 1913 Webster ]

Pressure

n. [ OF., fr. L. pressura, fr. premere. See 4th Press. ] 1. The act of pressing, or the condition of being pressed; compression; a squeezing; a crushing; as, a pressure of the hand. [ 1913 Webster ]

2. A contrasting force or impulse of any kind; as, the pressure of poverty; the pressure of taxes; the pressure of motives on the mind; the pressure of civilization. [ 1913 Webster ]

Where the pressure of danger was not felt. Macaulay. [ 1913 Webster ]

3. Affliction; distress; grievance. [ 1913 Webster ]

My people's pressures are grievous. Eikon Basilike. [ 1913 Webster ]

In the midst of his great troubles and pressures. Atterbury. [ 1913 Webster ]

4. Urgency; as, the pressure of business. [ 1913 Webster ]

5. Impression; stamp; character impressed. [ 1913 Webster ]

All saws of books, all forms, all pressures past. Shak. [ 1913 Webster ]

6. (Mech.) The action of a force against some obstacle or opposing force; a force in the nature of a thrust, distributed over a surface, often estimated with reference to the amount upon a unit's area. [ 1913 Webster ]

7. Electro-motive force. [ Webster 1913 Suppl. ]

Atmospheric pressure,
Center of pressure, etc. See under Atmospheric, Center, etc. --
Back pressure (Steam engine), pressure which resists the motion of the piston, as the pressure of exhaust steam which does not find free outlet. --
Fluid pressure, pressure like that exerted by a fluid. It is a thrust which is normal and equally intense in all directions around a point. Rankine. --
Pressure gauge, a gauge for indicating fluid pressure; a manometer. [ 1913 Webster ]

Pressure cooker

. 1. (Cookery) a pot with a lid which may be tightly bound to the bottom part, forming a vessel which can withstand some gas pressure from within. It is used to heat foods in water or steam to a temperature somewhat above the boiling point of water, allowing the cooking process to be accomplished more quickly than otherwise. [ PJC ]

2. Fig., a situation involving intense psychological pressure due to multiple urgent demands, as in certain job situations. [ PJC ]

Pressure wires

. (Elec.) Wires leading from various points of an electric system to a central station, where a voltmeter indicates the potential of the system at those points. [ Webster 1913 Suppl. ]

pressurize

v. t. To increase the pressure on (a gas or liquid); as, pressurized oxygen.
Syn. -- supercharge, apply pressure to. [ WordNet 1.5 ]

2. To increase and maintain a pressure in (a compartment or container), above that of the ambient pressure; -- of airplanes, space suits, and diving bells, for example; as, the airplane cabin was pressurized for the comfort of the passengers; the sterile room was pressurized to prevent contamination. [ WordNet 1.5 + PJC ]

negatively pressurized maintained at a pressure somewhat below that of ambient pressure; -- a technique sometimes used to keep airborn materials in a room from escaping out; as, the biohazard lab was negatively pressurized to keep hazardous biological agents from escaping into the environment. [ PJC ]

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