also shockwave
(~s)
1.
A ~ is an area of very high pressure moving through the air, earth, or water. It is caused by an explosion or an earthquake, or by an object travelling faster than sound.
The ~s yesterday were felt from Las Vegas to San Diego.
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2.
A ~ is the effect of something surprising, such as a piece of unpleasant news, that causes strong reactions when it spreads through a place.
The crime sent ~s throughout the country.
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