Manganese

Pronunciation

• US IPA: /ˈmæŋɡəniz/
• RP IPA: /ˈmæŋɡəniːz/
• Hyphenation: man + ga + nese

Alternative forms

• manganesium obsolete
• manganesum obsolete

Origin

French manganèse, from Italian manganese, by alteration from Latin magnesia ("magnesia"), from Ancient Greek μαγνησία, after Μαγνησία (Magnēsia, "Magnesia").

Full definition of manganese

Noun

1. A metallic chemical element (symbol Mn) with an atomic number of 25.
• 2013, Katie L. Burke, In the News, Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis:.... The evolutionary precursor of photosynthesis is still under debate, and a new study sheds light. The critical component of the photosynthetic system is the “water-oxidizing complex”, made up of manganese atoms and a calcium atom.

Derived terms

Related terms

• manganate
• manganosite
• permanganate