over·​pres·​sure | \ ˈō-vər-ˌpre-shər How to pronounce overpressure (audio) \

Definition of overpressure

: pressure significantly above what is usual or normal

Examples of overpressure in a Sentence

Recent Examples on the Web The Mark 21 Mod 0 grenade system, developed by Norwegian defense contractor Nammo, is designed for use by attacking troops against enemy positions, blasting them with concussive overpressure while posing less of a danger to friendly forces. Kyle Mizokami, Popular Mechanics, "This New Modular Grenade Stacks Like Pringles Chips," 25 Sep. 2019 In space there’s no air, so all that pounds-per-square-inch overpressure damage is not going to happen. Joe Pappalardo, Popular Mechanics, "Hollywood Has No Idea How Nukes Work," 2 Apr. 2018 When a man hiding in a fridge is swept by this overpressure wave, he’ll certainly be battered to death inside a tumbling, irradiated oven. Joe Pappalardo, Popular Mechanics, "Hollywood Has No Idea How Nukes Work," 2 Apr. 2018 If the asteroid is large enough, the overpressure would effectively pulp victims' insides. Jasper Hamill, Fox News, "7 terrifying ways that asteroids could wipe out life on our planet revealed," 28 June 2018 Each 500-pound bomb was set to detonate just above its target for maximum lethality, operating more through overpressure than fragmentation. William Langewiesche, The Atlantic, "An Extraordinarily Expensive Way to Fight ISIS," 21 June 2018 Past this ring of violence, a three-square-mile area would suffer through 5 pounds per square inch of overpressure. Joe Pappalardo, Popular Mechanics, "Hollywood Has No Idea How Nukes Work," 2 Apr. 2018 A second valve, designed to relieve overpressure, opened properly but failed to close when the pressure dropped below safe levels. Washington Post, "AP WAS THERE: Three Mile Island nuclear power plant accident," 30 May 2017 A bomb that kills through overpressure, the MOAB is well suited for destroying cave complexes. Kyle Mizokami, Popular Mechanics, "U.S. Air Force Drops the Largest Conventional Bomb Ever Used in Combat," 13 Apr. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'overpressure.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of overpressure

1644, in the meaning defined above

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The first known use of overpressure was in 1644

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Cite this Entry

“Overpressure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overpressure. Accessed 13 Aug. 2020.

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