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octodecillion

[ ok-toh-di-sil-yuhn ]

noun

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

  • octo·de·cillionth adjective noun
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Word History and Origins

Origin of octodecillion1

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

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