英和和英

語源

A New Latin word derived by German chemist R. W. Bunsen in 1861, from Latin rūbidus (“red”) because its spectrum has two red lines.^[1]

発音

• (英国発音) enPR: ro͞obĭd'ēəm, IPA^(key): /ˌɹuːˈbɪd.i.əm/

名詞

rubidium (usually uncountable, 複数形 rubidiums)

1. The chemical element (symbol Rb) with an atomic number of 37. It is a soft, highly reactive alkali metal.
2. (countable) A single atom of this element.

派生語

関連する語

• rubidic, rubidian

参照

• Rubidium on the British Royal Society of Chemistry's online periodic table

Latin

発音

• (Classical) IPA^(key): /ruːˈbi.di.um/, [ruːˈbɪd̪iʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /ruˈbi.di.um/, [ruˈbiːd̪ium]

名詞

rūbidium n (genitive rūbidiī); second declension

1. rubidium

語形変化

Second-declension noun (neuter).