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.
I struggled to regain my composure after the first shock wave pierced my heart.
From The Wall Street Journal • May 14, 2026
In many cases, a flood of neutrinos released during this collapse generates a powerful shock wave that tears the star apart in a supernova.
From Science Daily • Feb. 14, 2026
In addition, yeast cells were treated with 100 mM sodium perchlorate, either on its own or combined with shock wave exposure.
From Science Daily • Feb. 8, 2026
Josh Sautter, president of the Encino Neighborhood Council, said the new evacuation orders sent a shock wave of panic through the community.
From Los Angeles Times • Jan. 11, 2025
I felt the shock wave move through the room.
From "Made You Up" by Francesca Zappia
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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.