Определение magnesium oxide в Английский Язык Английский Язык словарь
A white powder (MgO) with a high melting point; it occurs naturally as periclase, an ore of magnesium
A white powdery compound, MgO, having a high melting point (2,800°C), used in high-temperature refractories, electrical insulation, food packaging, cosmetics, and pharmaceuticals