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septendecillion

[sep-ten-di-sil-yuhn]

noun

plural

septendecillions 
,

plural

septendecillion .
  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 Word Forms

  • septendecillionth adjective
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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