Dictionary

lithosphere

noun lith·o·sphere \ˈli-thə-ˌsfir\

Definition of LITHOSPHERE

:  the solid part of a celestial body (as the earth); specifically :  the outer part of the solid earth composed of rock essentially like that exposed at the surface, consisting of the crust and outermost layer of the mantle, and usually considered to be about 60 miles (100 kilometers) in thickness
lith·o·spher·ic \ˌli-thə-ˈsfir-ik, -ˈsfer-\ adjective
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Origin of LITHOSPHERE

International Scientific Vocabulary
First Known Use: 1887
LITHOSPHERIC Defined for Kids

lithosphere

noun lith·o·sphere \ˈli-thə-ˌsfir\

Definition of LITHOSPHERE for Kids

:  the outer part of the solid earth

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