Definition, Meaning & Synonyms

outer-core

noun
/ˈaʊtər kɔːr/
Definition
The outer core is the layer of the Earth’s interior located beneath the mantle and above the inner core.
Examples
  • The outer core is around 2,200 kilometers thick.
  • Scientists study seismic waves to understand the properties of the outer core.
  • The movement in the outer core is responsible for the dynamo effect that creates Earth’s magnetic field.
Meaning
It is primarily composed of liquid iron and nickel and plays a crucial role in generating the Earth’s magnetic field through the movement of these molten metals.
Synonyms
  • n/a