Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of rubidium is as below...

Rubidic :: Rubidic (a.) Of or pertaining to rubidium; containing rubidium.

Rubidium :: Rubidium (n.) 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..

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