Definition, Meaning & Synonyms
lithosphere
Noun
/ˈlɪθ.ə.sfɪr/
Definition
The outer layer of the Earth, composed of the crust and the upper mantle, that is rigid and rocky.
Examples
- The lithosphere is essential for understanding geological processes.
- Mountains are formed through processes occurring in the lithosphere.
- Earthquakes result from movement within the lithosphere.
Meaning
The lithosphere includes the Earth’s crust and the solid part of the upper mantle, forming the Earth’s surface layer where tectonic activity occurs.
Synonyms
- Earth’s crust
- Rocky layer