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septendecillion

[ sep-ten-di-sil-yuhn ]

noun

, plural sep·ten·de·cil·lions, (as after a numeral) sep·ten·de·cil·lion.
  1. a cardinal number represented in the U.S. by 1 followed by 54 zeros, and in Great Britain by 1 followed by 102 zeros.

adjective

  1. amounting to one septendecillion in number.

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Other Words From

  • septen·de·cillionth adjective noun

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Word History and Origins

Origin of septendecillion1

1935–40; < Latin septendec ( im ) seventeen + -illion, as in million

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septenaryseptennial

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