Magnesium-oxide
noun, Chemistry.
1.
.
noun
1.
a white tasteless substance occurring naturally as periclase: used as an antacid and laxative and in refractory materials, such as crucibles and fire bricks. Formula: MgO Also called magnesia
magnesium oxide n.
A white powdery compound having a high melting point (2,800°C), used in food packaging, cosmetics, and pharmaceuticals.
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- Magnesium-peroxide
noun, Chemistry. 1. a white, tasteless, water-insoluble powder, MgO 2 , used as an antiseptic and as an oxidizing and bleaching agent.
- Magnesium salicylate
magnesium salicylate n. A sodium-free salicylate derivative with anti-inflammatory, analgesic, and antipyretic actions, used for relief of mild to moderate pain.
- Magnesium-silicate
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.
- Magnesium-sulfate
noun, Chemistry. 1. a white, water-soluble salt, MgSO 4 , used chiefly in medicine and in the processing of leather and textiles. magnesium sulfate n. A colorless crystalline compound used as a cathartic and applied locally as an anti-inflammatory agent.
- Magnesium-trisilicate
noun, Chemistry. 1. a white, fine, odorless and tasteless powder, Mg 2 O 8 Si 3 ⋅nH 2 O, used industrially to absorb odors and decolorize and pharmaceutically as an antacid.