magnesium oxide

noun, Chemistry
1.
magnesia.
Origin
1905-10
Examples from the web for magnesium oxide
  • When the magnesium is all converted into magnesium oxide you return it to the store and get some new stuff.
British Dictionary definitions for magnesium oxide

magnesium oxide

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 in Medicine

magnesium oxide n.
A white powdery compound having a high melting point (2,800°C), used in food packaging, cosmetics, and pharmaceuticals.