supercontinent
/ˌsupərˈkɑntɪnənt/
noun
- A very large landmass that is made up of two or more continents joined together.
- If the continents continue to move, they might eventually form a new supercontinent in the distant future.
- Scientists believe that millions of years ago, all the land on Earth was part of a single supercontinent called Pangaea.
- The theory of plate tectonics explains how a supercontinent can break apart over time.