octodecillion

[ ok-toh-di-sil-yuh n ]
/ ˌɒk toʊ dɪˈsɪl yən /

noun, plural oc·to·de·cil·lions, (as after a numeral) oc·to·de·cil·lion.

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

amounting to one octodecillion in number.

Nearby words

  1. october,
  2. october revolution,
  3. octoberfest,
  4. octobrist,
  5. octocentenary,
  6. octodecimo,
  7. octofoil,
  8. octogenarian,
  9. octomerous,
  10. octometer

Origin of octodecillion

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

Related formsoc·to·de·cil·lionth, adjective, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019