magnesium silicate

American  

noun

Chemistry.

1. a white powder, 3MgSiO 3 ⋅5H 2 O, with variable hydration, insoluble in water or alcohol, used as a rubber filler, a bleaching agent, an odor absorbent, and in the manufacture of paints and resins.

2. any silicate containing magnesium, as enstatite, talc, or magnesium trisilicate.

---

Example Sentences

It contains something called Youth Boosting Technology, a concoction of ceramide 3, hyaluronic acid, microspheres of magnesium silicate, and silica, among other plant and nutritional supplements.

From New York Times

Magnesium silicate perovskite is the major component of Earth’s lower mantle — the layer of molten rock between the crust and the core, which accounts for half the planet’s mass.

From Scientific American

Corollary B—Owing to their inherent strength and durability the pigment particles of largest characteristic size which serve as supports for the paint coating should consist, in part at least, of chemically inert pigments, such as natural crystalline barium sulphate, calcium carbonate, magnesium silicate, etc.

From Project Gutenberg

The pigment formula selected for the tests had the following composition:   Basic carbonate-white lead 20%     Zinc oxide 35%     Magnesium silicate 10%     Barytes 5%   100 lbs. of pigment base ground to a stiff paste in 16 lbs. of linseed oil.

From Project Gutenberg

Magnesium silicate, aluminum silicate, and silica are three inert pigments which proved to be of great value in strengthening and reinforcing paints, especially when they were used in small percentage.

From Project Gutenberg