magnesium oxide definition

  • noun:
    • A white powdery ingredient, MgO, having a high melting point (2,800°C), utilized in high-temperature refractories, electric insulation, meals packaging, beauty products, and pharmaceuticals.
    • A white powder (MgO) with a top melting point; it takes place naturally as periclase, an ore of magnesium.
    • Magnesia.
    • a white solid mineral that develops naturally as periclase; a source of magnesium

Related Sources

  • Definition for "magnesium oxide"
    • A white powdery ingredient, MgO, having a high…
    • View More
  • Synonym for "magnesium oxide"
  • Hypernym for "magnesium oxide"
65 votes

How would you define magnesium oxide?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!