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Definition of Magnesium peroxide
1. Noun. (chemistry) A fine white powder, MgO2, used as a bleach and disinfectant ¹
¹ Source: wiktionary.com
Medical Definition of Magnesium peroxide
1. Decomposes in water to hydrogen peroxide; used as an ingredient in dentifrices and in antiseptic dusting powder. (05 Mar 2000)