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Rb

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Symbol, Chemistry.
  1. rubidium.
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R&B

or r&b, R and B

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for rb

Rb

the chemical symbol for
  1. rubidium
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

rb in Medicine

Rb

  1. The symbol for the elementrubidium

rb in Science

Rb

rubidium

[rōō-bĭdē-əm]
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.