Definitions for rb

This page provides all possible meanings and translations of the word rb

Princeton's WordNet

  1. 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

Images & Illustrations of rb


Find a translation for the rb definition in other languages:

Select another language:

Discuss these rb definitions with the community:

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:     


Use the citation below to add this definition to your bibliography:


"rb." STANDS4 LLC, 2015. Web. 29 Nov. 2015. <>.

Are we missing a good definition for rb? Don't keep it to yourself...

Nearby & related entries:

Alternative searches for rb:

Thanks for your vote! We truly appreciate your support.