Definition of rubidium
The word rubidium uses 8 letters: b, d, i, i, m, r, u, u
rubidium is playable in:
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Scrabble US13
Scrabble UK13
Meanings of 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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