Science / Biology / Mantle: In mollusks, a membranous or muscular structure that surrounds the visceral mass and secretes a shell if one is present.

Other Words for Mantle

Mantle Noun Synonyms: cover, clothe, envelop, surround, encircle, shroud, veil, screen, obscure, cloak, conceal, hide, mask, wrap, disguise
Mantle Verb Synonyms: cloak, cape, wrap, shawl, pelisse, pelerine

Mantle Plume

Science / Geology / Mantle Plume: A rising mass of hot mantle material that can create an area of volcanic activity in the center of a lithospheric plate. MORE

Hot Spot

Science / Geology / Hot Spot: A volcanic center located within a lithospheric plate that is thought to be caused by a plume of hot mantle material rising from depth. MORE


Science / Geology / Kimberlite: A variety of peridotite that is found in volcanic pipes which are thought to be intrusions from the upper mantle. Many diamond deposits are found in kimberlite pipes. MORE


Science / Geology / Isostasy: A condition of gravitational balance (similar to floating) in which a mass of lighter crustal rocks are buoyantly supported from below by denser mantle rocks. The crustal rocks above subside into the MORE

Thorium (Th)

Science / Periodic Table of Elements / Thorium (Th): Atomic number: 90, Atomic mass: 232.04 g.mol -1, Electronegativity: 1.3, Density: 11.72 at 20°C, Melting point: 1750 °C, Boiling point: 4790 °C, Vanderwaals radius: 0.182 nm, Ionic radius: 0 MORE


Science / Biology / Lithosphere: The solid outer layer of the Earth; includes both the land area and the land beneath the oceans and other water bodies. MORE