rubidium
rubidium
意味(日本語)
ルビジウム ◇L.ruber(=red) → rubidusからの造語
語源
- rub- : L.ruber = red(赤)
意味(英語)
- (noun) A soft silvery-white metallic element of the alkali group that ignites spontaneously in air and reacts violently with water, used in photocells and in the manufacture of vacuum tubes. Atomic number 37; atomic weight 85.47; melting point 38.89°C; boiling point 688°C; specific gravity (solid) 1.532; valence 1, 2, 3, 4. See Table at element.
例文
- This suggestion has been of great service in spectrum analysis, and as applied by Bunsen, Kirchoff, and others, has led to the discovery of several new elements, such as rubidium and thallium, as well as increasing our knowledge of the heavenly bodies.
語源が同じ単語を一緒に覚えよう
rouge
rouge
口紅、ルージュ(仏)
語源
- rub- : L.ruber = red(赤)
ruby
ruby
ルビー
語源
- rub- : L.ruber = red(赤)
rubicund
rubicund
赤みがかった
語源
- rub- : L.ruber = red(赤)
rubifacient
rubifacient
皮膚を赤くする、軽い炎症を起こさせる ◇L.ruber(=redの過去分子形)
語源
- rub- : L.ruber = red(赤)
rubric
rubric
赤刷り、赤文字
語源
- rub- : L.ruber = red(赤)
rubrical
rubrical
赤刷りの、赤みをもった
語源
- rub- : L.ruber = red(赤)
rubricate
rubricate
朱書きにする(印刷物)
語源
- rub- : L.ruber = red(赤)