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tectonic plates

Cultural  
  1. The dozen or so plates that make up the surface of the Earth. Their motion is studied in the field of plate tectonics.


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The plates are not the same as the continents. The North American plate, for example, extends from the middle of the Atlantic Ocean to the west coast of the United States and Canada. These plates are about thirty miles thick.

Example Sentences

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“This is a shifting of the tectonic plates of Scottish football. We’re here to stay now.”

From The Wall Street Journal • May 15, 2026

“Some of the larger risks are much like tectonic plates, always moving and periodically causing earthquakes and volcanoes when they crash into each other,” he said.

From Barron's • Apr. 6, 2026

He said "the old order isn't coming back," adding: "The tectonic plates have shifted. There is profound change".

From BBC • Jan. 23, 2026

The instruments recorded extremely small "low-frequency" earthquakes that occur where tectonic plates slowly slide against or over one another.

From Science Daily • Jan. 17, 2026

Tokyo stands on the boundary of three tectonic plates in a country already well known for its seismic instability.

From "A Short History of Nearly Everything" by Bill Bryson

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