Supercontinent Definition

so͝opər-kŏntə-nənt
supercontinents
noun
A massive formation of land, as Pangea, that existed for some period of time in geologic history.
Webster's New World
A large continent that, according to the theory of plate tectonics, broke up into smaller continents. Gondwana and Laurasia were supercontinents.
American Heritage

Sometimes used to refer, due to their being composed of multiple continents, to one of the following modern landmasses: Afro-Eurasia and the Americas. (compare subcontinent)

Wiktionary

Other Word Forms of Supercontinent

Noun

Singular:
supercontinent
Plural:
supercontinents

Origin of Supercontinent

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supercontinent