supercontinents

Noun

supercontinent (plural supercontinents)

1. A very large continent that split into smaller ones in the Earth’s geologic past.
   • For a supercontinent to form requires a significant volume of continental crustal fragments that survive recycling into the mantle.2001, Kent C. Condie, Mantle Plumes and Their Record in Earth History, Cambridge University Press, →ISBN, page 237
2. A modern landmass composed of multiple continents, i.e. Afro-Eurasia or the Americas.