R & B

1 of 2

abbreviation

rhythm and blues

Rb

2 of 2

symbol

rubidium

Browse Nearby Words

razzmatazz
R & B
Rb
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Cite this Entry

“R & B.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/R%20%26%20B. Accessed 16 Feb. 2026.

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Medical Definition

Rb

symbol
rubidium
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