Rb

Symbol, Chemistry.

1. rubidium.

RB-

¹

abbreviation for

1. reconnaissance bomber

   RB-57

Rb

²

the chemical symbol for

1. rubidium

Example Sentences

The song did indeed become an underground hit before hitting the mainstream, reaching No. 15 on the RB singles chart.

From The Daily Beast

See how much of the “mainstream” pop music scene now is RB, EDM, hip-hop.

From The Daily Beast

VH1 hosted a Twitter QA with Robin Thicke, an RB singer of irrefutably misogynistic nature, in late June.

From The Daily Beast

Dr. Joshua Rubin and his team discovered that RB is significantly less active in male brain cells.

From The Daily Beast

To make this finding even more compelling, Rubin de-activated RB in female brain cells.

From The Daily Beast

In rubidium the lines Rb and Rb in the blue, and Rb in the red are almost equally specific.

From Project Gutenberg

The costs of the RB multiple-computer system are given in Table 6.

From Project Gutenberg

On a uniformly overcast day the brightness of the surface would be equal to RB.

From Project Gutenberg