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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Even more broadly, the makeup of the organisms at the site demonstrates how different groups of reptiles were moving around the supercontinent Pangea prior to a mass extinction 201 million years ago that ended the Triassic and began the Jurassic.
—
Riley Black, Smithsonian Magazine, 7 July 2025
The Earth’s climate was warm at the beginning of the Jurassic and without polar ice, meaning animals from mammals to amphibians to dinosaurs were able to more easily move across the Pangea supercontinent, researchers said.
—Irene Wright, Miami Herald, 17 June 2025
The Stac Fada Member — part of the supercontinent Rodinia 1 billion years ago — preserves what Earth's surface environments were like before and after the impact, study co-author Tony Prave, an emeritus professor of geoscience at the University of St Andrews, told Live Science.
—Patrick Pester, Space.com, 12 May 2025
During that time, landmasses consolidated into a supercontinent called Rodinia and then broke apart again.
—Mindy Weisberger, CNN, 26 Feb. 2025
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Riley Black, Smithsonian Magazine, 7 July 2025
The Earth’s climate was warm at the beginning of the Jurassic and without polar ice, meaning animals from mammals to amphibians to dinosaurs were able to more easily move across the Pangea supercontinent, researchers said.
—Irene Wright, Miami Herald, 17 June 2025
The Stac Fada Member — part of the supercontinent Rodinia 1 billion years ago — preserves what Earth's surface environments were like before and after the impact, study co-author Tony Prave, an emeritus professor of geoscience at the University of St Andrews, told Live Science.
—Patrick Pester, Space.com, 12 May 2025
During that time, landmasses consolidated into a supercontinent called Rodinia and then broke apart again.
—Mindy Weisberger, CNN, 26 Feb. 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 Jul. 2025.
Copy CitationKids Definition
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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