noun. the solid part of the earth consisting of the crust and outer mantle.
- Earth's crust
- Earth's surface
- natural object
- -sphere (English)
- geo- (English)
Example sentences of the word geosphere
This versatile and abundant element cycles regularly through the Earth's atmosphere, hydrosphere, geosphere and biosphere, which essentially comprise a carbon reservoirs list.
2. Noun, singular or mass
Trying to determine where the carbon cycle begins is a bit like trying to determine which came first, the chicken or the egg, but let's begin with the geosphere.