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.
The collective function of the best- understood tumor suppressor gene proteins, Rb, p53, and p21, is to put up a roadblock to cell cycle progression until certain events are completed.
From Textbooks • Jun. 9, 2022
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
When Rb is bound to E2F, production of proteins necessary for the G1/S transition is blocked.
From Textbooks • Jun. 9, 2022
Of the five elements Al, Cl, I, Na, Rb, which has the most exothermic reaction?
From Textbooks • Feb. 14, 2019
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.
