overpressure


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o·ver·pres·sure

 (ō′vər-prĕsh′ər)
n.
1. A transient air pressure, such as the shock wave from an explosion, that is greater than the surrounding atmospheric pressure.
2. Geology Pore or subsurface pressure that exceeds normal hydrostatic pressure at a given depth.
tr.v. o·ver·pres·sured, o·ver·pres·sur·ing, o·ver·pres·sures
To cause or subject to overpressure.

o′ver·pres′sur·i·za′tion (-ĭ-zā′shən) n.

overpressure

(ˈəʊvəˌprɛʃə)
n
(Military) the blast effect of a nuclear weapon expressed as an amount of pressure greater than normal barometric pressure

overpressure

The pressure resulting from the blast wave of an explosion. It is referred to as "positive" when it exceeds atmospheric pressure and "negative" during the passage of the wave when resulting pressures are less than atmospheric pressure.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.overpressure - a transient air pressure greater than the surrounding atmospheric pressure; "the overpressure of the blast kills by lethal concussion"
air pressure, atmospheric pressure, pressure - the pressure exerted by the atmosphere
Translations
References in periodicals archive ?
Open Competition: Open Tender For The Right To Sign The Agreement To Perform Works On Refrigeration And Air Conditioning Systems Unit, And Gas Removal Of The Overpressure In The Technological Areas On-Site At The Address: Ul.
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When coupled with a ball valve, it has pigging capabilities and provides overpressure or shutdown protection.
Welded to the connection piece of the measuring device at one end and to the tube end piece at the other end, the measuring systems are checked for leaks and undergo an overpressure cycle to eliminate tensions in the material.
A primary blast injury occurs as the shock front and the overpressure blast wave move through the body.
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Pressure management specialist Elfab has developed a two-way rupture disc to prevent vessel damage under vacuum or from overpressure.
The other topics are basic mathematics, fluid mechanics, separators, overpressure protection, and glycol dehydration.
A supervolcano's magma chamber can be several kilometres thick and up to one hundred kilometres wide, which makes it far too big to sustain sufficient overpressure through magma recharge.
Air conditioning: It is critical when running the A/C to have the overpressure turned on and the hatches closed.