Definition of manganese noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈmæŋɡəniːz//
; NAmE NAmE//ˈmæŋɡəniːz//
[uncountable] (symbol Mn)
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a chemical element. Manganese is a grey-white metal that breaks easily, used in making glass and steel. Word Originlate 17th cent.: via French from Italian manganese, alteration of medieval Latin magnesia (referring to a mineral said to be an ingredient of the philosopher's stone) from Greek Magnēsia, denoting a mineral from Magnesia in Asia Minor.
See the Oxford Advanced American Dictionary entry: manganese