Definition from Wiktionary, the free dictionary
supercontinent (plural supercontinents)
- A very large continent that split into smaller ones in the Earth’s geologic past.
- 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)
very large continent in the Earth's past
one of modern landmasses
supercontinent m (plural supercontinents)