Rb
rubidium.
Rb
AmericanSymbol, Chemistry.
RB-
1
British
abbreviation
Rb
2
British
symbol
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Rb releases E2F, which can now turn on the gene that produces the transition protein, and this particular block is removed.
From Textbooks • Jun. 9, 2022
As the cell increases in size, Rb is slowly phosphorylated until it becomes inactivated.
From Textbooks • Jun. 9, 2022
Rb exerts its regulatory influence on other positive regulator proteins.
From Textbooks • Jun. 9, 2022
When Rb is bound to E2F, production of proteins necessary for the G1/S transition is blocked.
From Textbooks • Jun. 9, 2022
Group I.: the alkali metals Li, Na, K, Rb, Cs, and also Ag, monovalent; Cu, monovalent and divalent; Au, monovalent and trivalent.
From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
