supercontinent

noun

su·​per·​con·​ti·​nent ˈsü-pər-ˌkän-tə-nənt How to pronounce supercontinent (audio)
-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

Recent Examples on the Web
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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 In fact, the supercontinent fostered the common ancestor of the Australian pelodryadid frogs and the South American phyllomedusid frogs that are still seen, stuck to leaves and branches, today. Sam Walters, Discover Magazine, 14 May 2025 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 See All Example Sentences for supercontinent

Word History

First Known Use

1960, in the meaning defined above

Time Traveler
The first known use of supercontinent was in 1960

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Cite this Entry

“Supercontinent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supercontinent. Accessed 5 Aug. 2025.

Kids Definition

supercontinent

noun
su·​per·​con·​ti·​nent ˈsü-pər-ˌkänt-ᵊn-ənt How to pronounce supercontinent (audio)
-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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