supercontinent

noun

su·​per·​con·​ti·​nent ˈsü-pər-ˌkän-tə-nənt How to pronounce supercontinent (audio)
-ˌkänt-nənt
Synonyms of supercontinentnext
: 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 lithium-rich pegmatites in the Appalachian belt formed more than 250 million years ago during the creation of the supercontinent Pangea. Aman Tripathi, Interesting Engineering, 30 Apr. 2026 One of the most famous cases of continental rifting is the idea of Pangea, the supercontinent that broke up and formed the Atlantic Ocean hundreds of millions of years ago. Julia Jacobo, ABC News, 29 Apr. 2026 The Gulf of Mexico formed about two hundred million years ago, when the supercontinent Pangea split up. Jeffrey Marlow, New Yorker, 5 Apr. 2026 During the time Tanyka lived, Earth’s land was joined into the supercontinent Pangaea. Ryan Brennan, Miami Herald, 6 Mar. 2026 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 4 May. 2026.

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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