英和和英

別の表記

• lantanium (obsolete)
• lanthanium (obsolete)

語源

From Ancient Greek λανθάνω (lanthánō, “to escape notice”) +‎ -um (“a chemical element”), because it had gone long undetected in mineral ores.

発音

• enPR: lăn'thənəm, IPA: /ˈlænθənəm/

名詞

lanthanum (countable and uncountable, plural lanthanums)

1. (uncountable) A chemical element (symbol La) with an atomic number of 57: a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air.
2. (countable) An atom of this element.

同意語

• La

派生語

関連する語

参考

• Fosrenol
• rare earth

発音

• (Classical Latin) IPA: [ˈɫan.tʰa.nũː]
• (modern Italianate Ecclesiastical) IPA: [ˈlan.ta.num]

名詞

lanthanum n (genitive lanthanī); second declension

1. lanthanum

語形変化

Second-declension noun (neuter).