duodecillion

[ doo-oh-di-sil-yuhn, dyoo- ]

noun

, plural du·o·de·cil·lions, (as after a numeral) du·o·de·cil·lion.

1. a cardinal number represented in the U.S. by 1 followed by 39 zeros, and in Great Britain by 1 followed by 72 zeros.

adjective

1. amounting to one duodecillion in number.

Other Words From

• duo·de·cillionth noun adjective

Word History and Origins

Origin of duodecillion¹

1910–15; < Latin duodec ( im ) twelve + -illion, as in million

Example Sentences

All the hairs on the heads of all human beings, which are supposed to be numberless, are only a small fraction of a duodecillion.

From Project Gutenberg