magnesium silicate
1. a white powder, 3MgSiO3·5H2O, 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.

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Universalium. 2010.

Look at other dictionaries:

  • magnesium silicate — n a silicate that is approximately Mg2Si3O8·nH2O, is obtained by precipitation as a white powder, and is used chiefly in medicine as a gastric antacid adsorbent and coating (as in the treatment of ulcers) * * * MgSiO3, a silicate salt of… …   Medical dictionary

  • magnesium silicate — noun : any of various silicates of magnesium: as a. : a tetrasilicate Mg3Si4O10(OH)2 found in nature as talc from which it is obtained usually in fibrous or micaceous forms for use chiefly as a filler or extender (as in paints) b. : a trisilicate …   Useful english dictionary

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  • MAGNÉSIUM — Le magnésium est un élément chimique métallique de symbole Mg et de numéro atomique 12. C’est le plus léger des métaux structuraux. Le nom de magnésium vient probablement de celui d’une bourgade d’Asie Mineure, Magnesia, bien connue plusieurs… …   Encyclopédie Universelle

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