over·​pres·​sure ˈō-vər-ˌpre-shər How to pronounce overpressure (audio)
: pressure significantly above what is usual or normal

Example Sentences

Recent Examples on the Web This style of eruption are caused when water that seeps into the volcano heats up enough to flash into steam, causing an overpressure to the rocks above. Erik Klemetti, Discover Magazine, 7 May 2013 The documents, submitted to the FAA in February, said explosions, heat plumes, blast overpressure, falling debris, noise and other issues could diminish the habitat and its animal populations. Sophie Mellor, Fortune, 5 May 2022 As Air and Space notes, where the Concorde’s supersonic waves exerted an average of 10 kg per square meter of atmospheric overpressure on the human eardrum, the X-59 comes in at a mere 1.4. Tom Vanderbilt, Wired, 20 Dec. 2021 One estimate puts it at the equivalent of 240 tons of TNT, based on map data and the amount of overpressure required to cause the damage seen. Jonathan M. Gitlin, Ars Technica, 5 Aug. 2020 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, 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, 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, 2 Apr. 2018 If the asteroid is large enough, the overpressure would effectively pulp victims' insides. Jasper Hamill, Fox News, 28 June 2018 See More

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.

Word History

First Known Use

1644, in the meaning defined above

Time Traveler
The first known use of overpressure was in 1644

Dictionary Entries Near overpressure

Cite this Entry

“Overpressure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overpressure. Accessed 29 Jan. 2023.

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