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The outer part of the earth, consisting of the crust and upper mantle, about 100 kilometers (62 miles) thick.
(Geological Science) the rigid outer layer of the earth, having an average thickness of about 75 km and comprising the earth's crust and the solid part of the mantle above the asthenosphere
the crust and upper mantle of the earth.
lith`o•spher′ic (-ˈsfɛr ɪk) adj.
the solid part of the earth, as contrasted with the atmosphere and hydrosphere.See also: Earth
The term used to describe the Earth’s crust coupled with the rigid upper mantle.
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|Noun||1.||lithosphere - the solid part of the earth consisting of the crust and outer mantle|
layer - a relatively thin sheetlike expanse or region lying over or under another
earth, globe, world - the 3rd planet from the sun; the planet we live on; "the Earth moves around the sun"; "he sailed around the world"
mantle - the layer of the earth between the crust and the core