trillion

noun

tril·​lion ˈtri(l)-yən How to pronounce trillion (audio)
1
: a number equal to 1,000 times one billion see Table of Numbers
2
: an indeterminately large number
a trillion mosquitoes out tonight
trillion adjective
trillionth adjective or noun

Examples of trillion in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As host this year, Azerbaijan’s job will be to broker an agreement that secures billions—possibly trillions—of dollars from wealthy countries to help along the green transition in poorer countries. Zoë Schlanger, The Atlantic, 5 Nov. 2024 The federal deficit and debt: Getting bigger Another issue is the national debt and the nation's growing deficit, with both candidates' economic proposals projected to add trillions to the country's debt. Aimee Picchi, CBS News, 29 Oct. 2024 After all, the gut is home to trillions of bacteria that are not only crucial for digestion, but also the immune system, mood, and even body weight. Maria Berentzen, Vogue, 28 Oct. 2024 Porphyrion’s jets are estimated to contain the total power of trillions of suns and raise the temperature of surrounding gas by a million degrees Celsius. Saima S. Iqbal, Scientific American, 23 Oct. 2024 See all Example Sentences for trillion 

Word History

Etymology

French, from tri- + -illion (as in million)

First Known Use

1690, in the meaning defined at sense 1

Time Traveler
The first known use of trillion was in 1690

Dictionary Entries Near trillion

Cite this Entry

“Trillion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trillion. Accessed 1 Dec. 2024.

Kids Definition

trillion

noun
tril·​lion ˈtril-yən How to pronounce trillion (audio)
1
: a number equal to 1,000 times one billion see number
2
: a very large number
a trillion mosquitoes out tonight
trillion adjective
trillionth adjective
trillionth noun
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!