Definition of Rubidium

Noun: rubidium  roo'bi-dee-um

1. 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
   - Rb, atomic number 37

See also:
rubidic
rubidiums

Anagrams containing the word rubidium

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