Manganese meaning

mănggə-nēz, -nēs
A gray-white brittle metallic element, occurring in several allotropic forms, found worldwide, especially in the ores pyrolusite and rhodochrosite and in nodules on the ocean floor. It is alloyed with steel to increase strength, hardness, wear resistance, and other properties and with other metals to form highly ferromagnetic materials. Atomic number 25; atomic weight 54.938; melting point 1,246°C; boiling point 2,061°C; specific gravity 7.21 to 7.44; valence 1, 2, 3, 4, 5, 6, 7.
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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
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A grayish-white, hard, brittle metallic element that occurs in several different minerals and in nodules on the ocean floor. It is used to increase the hardness and strength of steel and other important alloys. Atomic number 25; atomic weight 54.9380; melting point 1,244°C; boiling point 1,962°C; specific gravity 7.21 to 7.44; valence 1, 2, 3, 4, 6, 7.
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A metallic chemical element (symbol Mn) with an atomic number of 25.
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(physics) The only stable isotope of manganese, 5525Cr, having 25 protons and 30 neutrons.
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Origin of manganese

  • 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

  • French manganèse, from Italian manganese, by alteration from Latin magnesia (“magnesia"), from Ancient Greek μαγνησία (magnÄ“sia), after Μαγνησία (MagnÄ“sia, “Magnesia").

    From Wiktionary