名詞 rubidium:

1. a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
   同義詞：Rb, atomic number 37

ru.bid.i.um

n.Symbol Rb （名詞）符號 Rb
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 '88=C; specific gravity (solid) .532; valence , 2, 3, 4.See table at element
銣：一種銀白色的軟的堿性金屬元素，與空氣接觸會(huì)立即燃燒，與水反應(yīng)劇烈，用于光電池和制造真空管。原子序數(shù)37；原子量85.47；熔點(diǎn)38.89=C；沸點(diǎn)'88=C；比重（固體）.532；化合價(jià),2,3,4參見 element

來源：
From Latin rubidus [red] * see reudh-
源自 拉丁語 rubidus [紅色的] *參見 reudh-