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Rb

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Symbol, Chemistry.
rubidium.
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How to use Rb in a sentence

British Dictionary definitions for Rb (1 of 2)

Rb

the chemical symbol for
rubidium

British Dictionary definitions for Rb (2 of 2)

RB-

abbreviation for
reconnaissance bomberRB-57
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

Medical definitions for Rb

Rb

The symbol for the elementrubidium
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for Rb

Rb

The symbol for rubidium.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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