overpressure

[oh-ver-presh-er]

noun

pressure in excess of normal atmospheric pressure, as that caused by an explosion's shock wave or created in an accelerating airplane.

verb (used with object), o·ver·pres·sured, o·ver·pres·sur·ing.

to cause or expose to overpressure.
to make undue demands on by a regimen, work load, etc.: students overpressured with heavy academic schedules.

Origin of overpressure

First recorded in 1635–45; over- + pressure
Related formso·ver·pres·sur·i·za·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for overpressurization

overpressure

noun

the blast effect of a nuclear weapon expressed as an amount of pressure greater than normal barometric pressure
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012