Dictionary
magne'sium sil'icate
Chem.
1. a white powder, 3MgSiO
3·5H
2O, 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.