magnesia definition

  • noun:
    • Magnesium oxide.
    • magnesium oxide
    • A light earthy white compound, consisting of magnesium oxide (MgO), and acquired by heating magnesium hydrate or carbonate, or by burning up magnesium. It's a slightly alkaline response, and it is utilized in medication as a mild antacid laxative. See magnesium.
    • A mineral reported to be brought from Magnesia.
    • Magnesium oxid (MgO), a white tasteless compound having a feeble alkaline effect.
    • a white solid mineral that develops obviously as periclase; a source of magnesium

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