A grayish-white, metallic chemical element, usually hard and brittle, which rusts like iron but is not magnetic: it is used in the manufacture of alloys of iron, aluminum, and copper: symbol, Mn; at. no. 25
Webster's New World
- atomic number 25
Other Word Forms of Manganese
Origin of Manganese
French manganèse, from Italian manganese, by alteration from Latin magnesia (“magnesia"), from Ancient Greek μαγνησία (magnÄ“sia), after Μαγνησία (MagnÄ“sia, “Magnesia").
French manganèse from Italian manganese from Medieval Latin magnēsia mineral ingredient of the philosophers' stone magnesia
From American Heritage Dictionary of the English Language, 5th Edition
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