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English definition of “mantle”

mantle

noun  /ˈmæn·təl/ us  

mantle noun (COVERING)

literature [C] a covering, or a layer of something that covers a surface: They escaped under the mantle of darkness.

mantle noun (EARTH)

earth science [U] the part of the earth that is below the surface and that surrounds the smaller part in the center

mantle noun (POSITION)

[C usually sing] a position of authority or responsibility: He inherited the mantle of leadership at the Transit Authority in the early 1980s.
(Definition of mantle from the Cambridge Academic Content Dictionary © Cambridge University Press)
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