octodecillion

[ok-toh-di-sil-yuhn]

noun

plural

octodecillions ,

plural

octodecillion .

1. a cardinal number represented in the U.S. by 1 followed by 57 zeros, and in Great Britain by 1 followed by 108 zeros.

adjective

1. amounting to one octodecillion in number.

Other Word Forms

• octodecillionth adjective

Word History and Origins

Origin of octodecillion¹

1935–40; < Latin octōdec ( im ) eighteen + English -illion, as in million

Example Sentences

The odds rise to something like 1 in 100 octodecillion.

Read more on New York Times