manganeseとは

意味・読み方・使い方

別の表記

• manganesium, manganesum (廃れた用法)

語源

From French manganèse, from Italian manganese, by alteration from Latin magnesia (“magnesia”), from Ancient Greek μαγνησία (magnēsía), after Μαγνησία (Magnēsía, “Magnesia”). Doublet of Magnesia, magnesia, and magnesium; more at magnet.

発音

• (米国発音) enPR: măngʹgə-nēz', -nēs'; IPA^(key): /ˈmæŋ.ɡəˌniz/, /ˈmæŋ.ɡəˌnis/
• (Received 発音) IPA^(key): /ˈmæŋ.ɡəˌniːz/
• ハイフネーション: man‧ga‧nese

名詞

manganese (countable かつ uncountable, 複数形 manganeses)

2. (uncountable) A metallic chemical element (symbol Mn) with an atomic number of 25, not a free element in nature but often found in minerals in combination with iron, and useful in industrial alloy production.
   • 2013 September-October, Katie L. Burke, “In the News”, in American Scientist:

     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.

3. (countable) A single atom of this element.

派生語

関連する語

Further reading

• manganese on Wikipedia.

参考