supercontinent

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

Definition of supercontinent

: 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 During this time, the continents were all joined together into the supercontinent of Gondwana. Elizabeth Gamillo, Smithsonian Magazine, "How Tarantulas Spread to Every Continent Except Antarctica," 26 Apr. 2021 Also included are fossils and casts of several dinosaurs, as well as scientific information about pangea and the prehistoric supercontinent of the Paleozoic and Mesozoic eras, when dinos lived. Susan Dunne, courant.com, "Dinosaurs star at Six Flags and Connecticut Science Center, plus other places to find the prehistoric creatures," 13 Apr. 2021 The mammal is the most complete and well preserved skeleton of a gondwanatherian, which is a mammal that lived on the ancient southern supercontinent Gondwana, which is now the continents of the southern hemisphere. Ashley Strickland, CNN, "This 'crazy beast' was a weird early mammal that lived among dinosaurs," 18 Dec. 2020 The story of the Himalaya begins some 200 million years ago, as the supercontinent of Pangea began to split into pieces. Science, "Why Mount Everest keeps changing its height," 8 Dec. 2020 Some 85 million years ago, the islands that would become New Zealand split off from the rest of the supercontinent of Gondwana and evolved in isolation with just a few native mammal species. Mara Johnson-groh, Popular Science, "New Zealand’s bold rat-control campaign sees its first wave of successes," 26 May 2020 Earlier research has found that ice sheets formed across Antarctica before the final breakup of the southern supercontinent Gondwana into the present-day Southern Hemisphere, which includes South America and Antarctica. Katie Hunt, CNN, "Frogs hopped around the Antarctic 40 million years ago," 23 Apr. 2020 At least three times in our planet's 4.54-billion-year history, the ever-shifting landmasses glommed into mighty supercontinents, only to eventually reverse course and break apart. National Geographic, "A tectonic plate may have peeled apart—and that could shrink the Atlantic Ocean," 6 May 2019 During that time, Earth’s separate land masses formed one supercontinent, Pangea. Lucas Joel, New York Times, "Scientists Find 2 Mating Flies Trapped in Prehistoric Amber," 2 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'supercontinent.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of supercontinent

1960, in the meaning defined above

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The first known use of supercontinent was in 1960

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Last Updated

5 May 2021

Cite this Entry

“Supercontinent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supercontinent. Accessed 14 May. 2021.

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