Definition, Meaning & Synonyms
outer-core
noun
/ˈaʊtər kɔːr/
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Definition
The outer core is the layer of the Earth’s interior located beneath the mantle and above the inner core.
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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.
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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.
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Synonyms
- n/a