noun \ˈtri(l)-yən\

: the number 1,000,000,000,000 : one thousand billion

: a very large amount or number

: the number 1,000,000,000,000,000,000 : one million million million

Full Definition of TRILLION

— see number table
:  an indeterminately large number <a trillion mosquitoes out tonight>
trillion adjective
tril·lionth \-yən(t)th\ adjective or noun

Origin of TRILLION

French, from tri- + -illion (as in million)
First Known Use: 1690

Rhymes with TRILLION


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