trillion

tril·lion

noun \ˈtri(l)-yən\

Definition of TRILLION

1

— see number table

2

: 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

billion, jillion, million, pillion, zillion