HyperDic: rubidium

English > 1 sense of the word rubidium:
NOUNsubstancerubidium, Rb, atomic number 37a soft silvery metallic element of the alkali metal group
English > rubidium: 1 sense > noun 1, substance
MeaningA soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite.
SynonymsRb, atomic number 37
Broadermetallic element, metalAny of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
Substance ofcarnalliteA white or reddish mineral consisting of hydrous chlorides / chlorides of potassium and magnesium
lepidoliteA mineral of the mica group
polluciteA rare mineral that is an important source of cesium
Spanishnúmero atómico 37, Rb, rubidio
Catalannúmero atòmic 37, Rb, rubidi

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