(zoology) a protective layer of epidermis in mollusks or brachiopods that secretes a substance forming the shell
the zone of hot gases around a flame; the gauzy incandescent covering of a gas lamp
(From the base of the crust to the outer core 2,900 km deep) There are upper and lower layers In the 250 km below the surface, it becomes plastic: this part is called the asthenosphere, over which the lithosphere floats The thickness of the lithosphere varies between 80 and 120 km It is more rigid and its temperature can reach 1,500°C
Layer of the Earth's interior composed of mostly solid rock that extends from the base of crust to a depth of about 2,900 kilometers
the layer of the earth between the crust and the core United States baseball player (1931-1997) cover like a mantle; "The ivy mantles the building"
That portion of the interior of the Earth that lies between the crust and the core
The layer of a planet between the core and the crust In the Earth, the mantle is about 2900 km thick and is composed rocks of iron and magnesium combined with silicon and oxygen