Rb


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Rb

The symbol for rubidium.

RB

abbr.
running back

Rb

the chemical symbol for
(Elements & Compounds) rubidium

Rb


Chem. Symbol.
rubidium.

Rb

The symbol for rubidium.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Rb - a soft silvery metallic element of the alkali metal groupRb - 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
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
carnallite - a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium
lepidolite - a mineral of the mica group; an important source of lithium
pollucite - a rare mineral that is an important source of cesium