Rb

Save This Word!

Symbol, Chemistry.

rubidium.

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Rb in a sentence

The song did indeed become an underground hit before hitting the mainstream, reaching No. 15 on the RB singles chart.
‘The Prince of Chocolate City’: When Gil Scott-Heron Became A Music Icon|Marcus Baram|November 15, 2014|DAILY BEAST
See how much of the “mainstream” pop music scene now is RB, EDM, hip-hop.
Of Gamers, Gates, and Disco Demolition: The Roots of Reactionary Rage|Arthur Chu|October 16, 2014|DAILY BEAST
VH1 hosted a Twitter QA with Robin Thicke, an RB singer of irrefutably misogynistic nature, in late June.
Jameis Winston's Inevitable #epicfail|Gideon Resnick|August 11, 2014|DAILY BEAST
Dr. Joshua Rubin and his team discovered that RB is significantly less active in male brain cells.
Why Men May Be More Likely to Get Deadly Brain Cancer|Dr. Anand Veeravagu, MD, Tej Azad|August 5, 2014|DAILY BEAST

To make this finding even more compelling, Rubin de-activated RB in female brain cells.
Why Men May Be More Likely to Get Deadly Brain Cancer|Dr. Anand Veeravagu, MD, Tej Azad|August 5, 2014|DAILY BEAST
In rubidium the lines Rb and Rb in the blue, and Rb in the red are almost equally specific.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
The costs of the RB multiple-computer system are given in Table 6.
On-Line Data-Acquisition Systems in Nuclear Physics, 1969|H. W. Fulbright et al.
On a uniformly overcast day the brightness of the surface would be equal to RB.
Visual Illusions|Matthew Luckiesh

British Dictionary definitions for Rb (1 of 2)

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

Scientific definitions for Rb

The symbol for rubidium.