shock wave
Americannoun
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a region of abrupt change of pressure and density moving as a wave front at or above the velocity of sound, caused by an intense explosion or supersonic flow over a body.
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a repercussion from a startling event or upheaval; series of aftereffects.
shock waves from the recent collapse of one of the nation's largest banks.
noun
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Often shortened to: shock. a region across which there is a rapid pressure, temperature, and density rise, usually caused by a body moving supersonically in a gas or by a detonation See also sonic boom shock tube
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a feeling of shock, horror, surprise, etc that affects many people as it spreads through a community
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the effect created on a queue of moving cars in the lane of a motorway when one car brakes suddenly and the cars behind have to brake as well, causing cars to slow down, sometimes for miles behind the first braking car
Etymology
Origin of shock wave
First recorded in 1945–50
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The instrument is designed to measure the X-59's unique shock wave signature.
From Science Daily • Jun. 1, 2026
But if that shock wave is too weak to eject the surrounding material, much of the star can fall back inward.
From Science Daily • Feb. 14, 2026
“And then you have a limb that’s full of ice on a big pine tree that’s 6 inches thick, and it comes crashing down and puts a shock wave on it,” Hayward said.
From The Wall Street Journal • Jan. 27, 2026
He first felt the shock wave hit the building and thought it was the start of an earthquake.
From Los Angeles Times • May 18, 2025
The shock wave hurled us off our feet.
From "City of the Plague God" by Sarwat Chadda
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.