quintillion
noun
a cardinal number represented in the U.S. by 1 followed by 18 zeros, and in Great Britain by 1 followed by 30 zeros.
quintillions
-
pluralof quintillion.plural
The grammatical form denoting more than one person, place, thing, or idea.
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 magazine impresario, Cohen, wants him to find the “perfect white” to give a sense of order and harmony to the quintillions of discrete bits of data stored within the building.
From The Wall Street Journal ● Jul. 10, 2026
Interplanetary space contains just a few dozen particles in each cubic centimeter — in comparison, the air we breathe has tens of quintillions of molecules per cubic centimeter.
From Salon ● Jun. 3, 2025
"The right answer emerges every 10 minutes, and the rest of the data, quintillions of them, are computations that serve no further purpose and are therefore immediately discarded," de Vries says.
From Science Daily ● Nov. 29, 2023
The molecules in a single drop can number in the quintillions, and their small mass makes the oils volatile, quick to evaporate at room temperature.
From New York Times ● May 10, 2021
And a positronic brain, which with ten pounds of matter and a few quintillions of positrons runs the whole show.
From "I, Robot" by Isaac Asimov
