supercontinent
Americannoun
noun
Etymology
Origin of supercontinent
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 bone structure showed that the remains belonged to an adult animal that lived about 155 million years ago on Gondwana, the ancient southern supercontinent.
From Science Daily ● May 12, 2026
"The Western Ghats are about 150 million years old, older than the Himalayas. The species that exist there could have evolutionary roots in the Gondwana supercontinent," Koparde says.
From BBC ● May 2, 2026
At the time, Earth's ancient supercontinent Rodinia was beginning to pull apart, creating deep fractures in the crust.
From Science Daily ● Jan. 23, 2026
Scientists link the catastrophe to intense greenhouse conditions, oxygen loss in the oceans, widespread acidification, and massive volcanic eruptions tied to the breakup of the ancient Pangaean supercontinent.
From Science Daily ● Dec. 30, 2025
The supercontinent began to break apart, however, and by 60 million years ago, Antarctica had migrated south to its present location over the Pole.
From "Shipwreck at the Bottom of the World" by Jennifer Armstrong
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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.