supercontinent
noun
su·per·con·ti·nent
ˈsü-pər-ˌkän-tə-nənt 
-ˌkänt-nənt
: a hypothetical former large continent from which other continents are held to have broken off and drifted away
Examples of supercontinent in a Sentence
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But as the supercontinent finally splintered apart around 200 million years ago and the near-endless age of dinosaurs found its groove, the planet recovered to conditions more hospitable to animal life.
—
Peter Brannen, Quanta Magazine, 15 Sep. 2025
During this time, the ancient supercontinent Rodinia was breaking apart.
—Laura Baisas, Popular Science, 3 Sep. 2025
As South America broke off from the supercontinent of Gondwanaland, volcanoes and earthquakes shook the Earth, causing landslides.
—Sara Hashemi, Smithsonian Magazine, 8 July 2025
The authors suggest that in a similar way the eclogite from Baltica demonstrates the existence of a mountain range, comparable to the Himalaya range, on the supercontinent Columbia over two billion years ago.
—David Bressan, Forbes.com, 31 May 2025
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Peter Brannen, Quanta Magazine, 15 Sep. 2025
During this time, the ancient supercontinent Rodinia was breaking apart.
—Laura Baisas, Popular Science, 3 Sep. 2025
As South America broke off from the supercontinent of Gondwanaland, volcanoes and earthquakes shook the Earth, causing landslides.
—Sara Hashemi, Smithsonian Magazine, 8 July 2025
The authors suggest that in a similar way the eclogite from Baltica demonstrates the existence of a mountain range, comparable to the Himalaya range, on the supercontinent Columbia over two billion years ago.
—David Bressan, Forbes.com, 31 May 2025
See All Example Sentences for supercontinent
Cite this Entry
“Supercontinent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supercontinent. Accessed 20 Sep. 2025.
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supercontinent
noun
su·per·con·ti·nent
ˈsü-pər-ˌkänt-ᵊn-ənt
-ˌkänt-nənt
: a former large continent which is assumed to have existed and from which other continents broke off and drifted away
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