Meaning of MANTLE in English

MANTLE

That part of the Earth that lies beneath the crust and above the central core .

On average, the mantle begins about 22 mi (35 km) below the surface and ends at a depth of about 1,800 mi (2,900 km). Predominant in the rock material are olivine s, pyroxene s, and the silicate perovskite, a dense form of enstatite .

Britannica English dictionary.      Английский словарь Британика.