manganate From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounAny compound containing the ion MnO42-. Related wordsSynonymsmanganomanganic oxidemanganesatemanganomelanemanganese dioxidemanganositemanganochromitered manganese oxidemanganitemanganotychitemanganhumiteblack manganesemanganesemanganostibitemanganesiummanganolangbeinitemanganarsite References Wiktionary — manganate Wikipedia — manganate