trillion
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.tril·lion
noun \ˈtri(l)-yən\Definition of TRILLION
1
: a number equal to 1,000 times one billion — see number table
2
: an indeterminately large number <a trillion mosquitoes out tonight>
— trillion adjective
— tril·lionth \-yən(t)th\ adjective or noun
See Origin of TRILLION
French, from tri- + -illion (as in million)
First Known Use: 1690
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