Acronyms that contain the term RB
What does RB mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: RB.
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What does RB mean?
- rubidium, Rb, atomic number 37(noun)
- 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