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 ?
As indicated in the notice, a malfunction may occur during the test launch that could create an overpressure event, also known as an explosion.
This overpressure is associated with an inflow of gas of yet to be determined composition.
If roadways are present leading into the underground facility, then the corridors inside will be wider than facilites with a footpath entrance, reducing the risk of overpressure (2) injuries and increasing maneuverability.
Founded in 1945, Fike offers a range of solutions which include fire suppression, explosion and overpressure protection and pressure activation.
This prevents overpressure on board, and tapping is also possible at an altitude of 10,000 metres.
High-rate mechanical insult was defined as one millisecond or less exposure to a transient overpressure compression wave.
Overpressure time-history can be visualized as consisting of multiple overpressure fronts.
(However, it can be loaded with a .68-caliber powder ball to disperse an airborne irritant or marker.) What the ALS1208 shell does offer is an average output of about 172 decibels (dB) with 1.2 psi overpressure within 5 feet--and it costs only $7.50 a round.
* Shuts down pinch valves in case of sudden overpressure