(noun) A rare metallic element. It occurs quite widely, but in small quantities, and always combined. It is isolated as a soft yellowish white metal, analogous to potassium in most of its properties. Symbol Rb. Atomic weight, 85.2.
Rubidium tanım:
Kelime: ru·bid·i·um Söyleniş:rü-'bi-dE-&m İşlev:noun Kökeni: New Latin, from Latin rubidus red, from rubEre : a soft silvery metallic element of the alkali metal group that reacts violently with water and bursts into flame spontaneously in air -- see ELEMENT table