Periclase is a mineral that is primarily composed of magnesium oxide. It is a key component in the production of magnesium metal and is widely used in various industrial applications. One of the synonyms for periclase is magnesia, which refers to the same chemical composition of the mineral. Other synonyms for periclase include magnesium monoxide, perimagnesia, and magnesite. These different terms can be used interchangeably to describe the same mineral compound. Understanding the various synonyms for periclase is important for individuals working in fields that rely on this material, such as in metallurgy, refractory manufacturing, and cement production.