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.

Origin of duodecillion

1
1910–15; <Latin duodec(im) twelve + -illion, as in million

Other words from duodecillion

  • du·o·de·cil·lionth, noun, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024